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	<id>https://wiki.math.ucr.edu/index.php?action=history&amp;feed=atom&amp;title=022_Exam_2_Sample_A</id>
	<title>022 Exam 2 Sample A - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.math.ucr.edu/index.php?action=history&amp;feed=atom&amp;title=022_Exam_2_Sample_A"/>
	<link rel="alternate" type="text/html" href="https://wiki.math.ucr.edu/index.php?title=022_Exam_2_Sample_A&amp;action=history"/>
	<updated>2026-04-22T20:33:12Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.35.0</generator>
	<entry>
		<id>https://wiki.math.ucr.edu/index.php?title=022_Exam_2_Sample_A&amp;diff=1000&amp;oldid=prev</id>
		<title>MathAdmin at 18:39, 28 July 2015</title>
		<link rel="alternate" type="text/html" href="https://wiki.math.ucr.edu/index.php?title=022_Exam_2_Sample_A&amp;diff=1000&amp;oldid=prev"/>
		<updated>2015-07-28T18:39:51Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 18:39, 28 July 2015&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l34&quot; &gt;Line 34:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 34:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Use calculus to set up and solve the word problem:''' Find the length and width of a rectangle that has a perimeter of 48 meters and maximum area.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Use calculus to set up and solve the word problem:''' Find the length and width of a rectangle that has a perimeter of 48 meters and maximum area.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;'''Contributions to this page were made by [[Contributors|John Simanyi]]'''&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>MathAdmin</name></author>
	</entry>
	<entry>
		<id>https://wiki.math.ucr.edu/index.php?title=022_Exam_2_Sample_A&amp;diff=757&amp;oldid=prev</id>
		<title>MathAdmin: /* &amp;nbsp;Problem 1&amp;nbsp; */</title>
		<link rel="alternate" type="text/html" href="https://wiki.math.ucr.edu/index.php?title=022_Exam_2_Sample_A&amp;diff=757&amp;oldid=prev"/>
		<updated>2015-05-30T18:27:40Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt; Problem 1 &lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 18:27, 30 May 2015&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot; &gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== [[022_Exam_2_Sample_A,_Problem_1|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 1&amp;amp;nbsp;&amp;lt;/span&amp;gt;&amp;lt;/span&amp;gt;]] ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== [[022_Exam_2_Sample_A,_Problem_1|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 1&amp;amp;nbsp;&amp;lt;/span&amp;gt;&amp;lt;/span&amp;gt;]] ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;Find the derivative of &amp;amp;thinsp;&amp;lt;math style=&amp;quot;vertical-align: -&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;42%&lt;/del&gt;&amp;quot;&amp;gt;y\,=\,\ln \frac{(x+5)(x-1)}{x}.&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;Find the derivative of &amp;amp;thinsp;&amp;lt;math style=&amp;quot;vertical-align: -&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;13px&lt;/ins&gt;&amp;quot;&amp;gt;y\,=\,\ln \frac{(x+5)(x-1)}{x}.&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== [[022_Exam_2_Sample_A,_Problem_2|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 2&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== [[022_Exam_2_Sample_A,_Problem_2|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 2&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>MathAdmin</name></author>
	</entry>
	<entry>
		<id>https://wiki.math.ucr.edu/index.php?title=022_Exam_2_Sample_A&amp;diff=553&amp;oldid=prev</id>
		<title>MathAdmin: /* &amp;nbsp;Problem 8&amp;nbsp; */</title>
		<link rel="alternate" type="text/html" href="https://wiki.math.ucr.edu/index.php?title=022_Exam_2_Sample_A&amp;diff=553&amp;oldid=prev"/>
		<updated>2015-05-16T02:52:46Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt; Problem 8 &lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 02:52, 16 May 2015&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l25&quot; &gt;Line 25:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 25:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== [[022_Exam_2_Sample_A,_Problem_8|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 8&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== [[022_Exam_2_Sample_A,_Problem_8|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 8&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Use differentials to approximate the change in profit given &amp;lt;math style=&amp;quot;vertical-align: -5%&amp;quot;&amp;gt;x = 10&amp;lt;/math&amp;gt; units and &amp;lt;math style=&amp;quot;vertical-align: 0%&amp;quot;&amp;gt;dx = 0.2&amp;lt;/math&amp;gt; units, where profit is given by  &amp;lt;math style=&amp;quot;vertical-align: -&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;15&lt;/del&gt;%&amp;quot;&amp;gt;P(x) = -4x^2 + 90x - 128&amp;lt;/math&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Use differentials to approximate the change in profit given &amp;lt;math style=&amp;quot;vertical-align: -5%&amp;quot;&amp;gt;x = 10&amp;lt;/math&amp;gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;thinsp; &lt;/ins&gt;units and &amp;lt;math style=&amp;quot;vertical-align: 0%&amp;quot;&amp;gt;dx = 0.2&amp;lt;/math&amp;gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;thinsp; &lt;/ins&gt;units, where profit is given by  &amp;lt;math style=&amp;quot;vertical-align: -&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;22&lt;/ins&gt;%&amp;quot;&amp;gt;P(x) = -4x^2 + 90x - 128&amp;lt;/math&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== [[022_Exam_2_Sample_A,_Problem_9|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 9&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== [[022_Exam_2_Sample_A,_Problem_9|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 9&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>MathAdmin</name></author>
	</entry>
	<entry>
		<id>https://wiki.math.ucr.edu/index.php?title=022_Exam_2_Sample_A&amp;diff=482&amp;oldid=prev</id>
		<title>MathAdmin: Created page with &quot;'''This is a sample, and is meant to represent the material usually covered in Math 22 for the second exam. An actual test may or may not be similar. Click on the &lt;span class=...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.math.ucr.edu/index.php?title=022_Exam_2_Sample_A&amp;diff=482&amp;oldid=prev"/>
		<updated>2015-05-14T22:06:03Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;#039;&amp;#039;&amp;#039;This is a sample, and is meant to represent the material usually covered in Math 22 for the second exam. An actual test may or may not be similar. Click on the &amp;lt;span class=...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;'''This is a sample, and is meant to represent the material usually covered in Math 22 for the second exam. An actual test may or may not be similar. Click on the &amp;lt;span class=&amp;quot;biglink&amp;quot; style=&amp;quot;color:darkblue;&amp;quot;&amp;gt;&amp;amp;nbsp;boxed problem numbers&amp;amp;nbsp;&amp;lt;/span&amp;gt; to go to a solution.'''&lt;br /&gt;
&amp;lt;div class=&amp;quot;noautonum&amp;quot;&amp;gt;__TOC__&amp;lt;/div&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== [[022_Exam_2_Sample_A,_Problem_1|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 1&amp;amp;nbsp;&amp;lt;/span&amp;gt;&amp;lt;/span&amp;gt;]] ==&lt;br /&gt;
&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;Find the derivative of &amp;amp;thinsp;&amp;lt;math style=&amp;quot;vertical-align: -42%&amp;quot;&amp;gt;y\,=\,\ln \frac{(x+5)(x-1)}{x}.&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== [[022_Exam_2_Sample_A,_Problem_2|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 2&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;br /&gt;
&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt; Find the antiderivative of&amp;amp;thinsp; &amp;lt;math style=&amp;quot;vertical-align: -10%&amp;quot;&amp;gt;y\,=\,3x^2-12x+8.&amp;lt;/math&amp;gt;&lt;br /&gt;
== [[022_Exam_2_Sample_A,_Problem_3|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 3&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;br /&gt;
&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt; Find the antiderivative of &amp;lt;math style=&amp;quot;vertical-align: -50%&amp;quot;&amp;gt;\int \frac{1}{3x+2}\,dx.&amp;lt;/math&amp;gt;&lt;br /&gt;
== [[022_Exam_2_Sample_A,_Problem_4|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 4&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;br /&gt;
&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt; Find the antiderivative of &amp;lt;math style=&amp;quot;vertical-align: -45%&amp;quot;&amp;gt;\int (3x+2)^4\,dx.&amp;lt;/math&amp;gt;&lt;br /&gt;
== [[022_Exam_2_Sample_A,_Problem_5|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 5&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;br /&gt;
&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt; '''Set up the equation to solve.  You only need to plug in the numbers - not solve for particular values!'''&lt;br /&gt;
&lt;br /&gt;
&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;How much money would I have after 6 years if I invested $3000 in a bank account that paid 4.5% interest, &lt;br /&gt;
::&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;(a) compounded monthly?&lt;br /&gt;
::&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;(b) compounded continuously?&lt;br /&gt;
== [[022_Exam_2_Sample_A,_Problem_6|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 6&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;br /&gt;
&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;Find the area under the curve of&amp;amp;thinsp; &amp;lt;math style=&amp;quot;vertical-align: -60%&amp;quot;&amp;gt;y\,=\,\frac{8}{\sqrt{x}}&amp;lt;/math&amp;gt;&amp;amp;thinsp; between &amp;lt;math style=&amp;quot;vertical-align: -5%&amp;quot;&amp;gt;x=1&amp;lt;/math&amp;gt; and &amp;lt;math style=&amp;quot;vertical-align: -5%&amp;quot;&amp;gt;x=4&amp;lt;/math&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
== [[022_Exam_2_Sample_A,_Problem_7|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 7&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;br /&gt;
&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;Find the quantity that produces maximum profit, given the demand function &amp;lt;math style=&amp;quot;vertical-align: -15%&amp;quot;&amp;gt;p\,=\,90-3x&amp;lt;/math&amp;gt; and cost function &amp;lt;math style=&amp;quot;vertical-align: -5%&amp;quot;&amp;gt;C\,=\,200-30x+x^2&amp;lt;/math&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
== [[022_Exam_2_Sample_A,_Problem_8|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 8&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;br /&gt;
&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;&lt;br /&gt;
Use differentials to approximate the change in profit given &amp;lt;math style=&amp;quot;vertical-align: -5%&amp;quot;&amp;gt;x = 10&amp;lt;/math&amp;gt; units and &amp;lt;math style=&amp;quot;vertical-align: 0%&amp;quot;&amp;gt;dx = 0.2&amp;lt;/math&amp;gt; units, where profit is given by  &amp;lt;math style=&amp;quot;vertical-align: -15%&amp;quot;&amp;gt;P(x) = -4x^2 + 90x - 128&amp;lt;/math&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
== [[022_Exam_2_Sample_A,_Problem_9|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 9&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;br /&gt;
&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;&lt;br /&gt;
Find all relative extrema and points of inflection for the function &amp;lt;math style=&amp;quot;vertical-align: -45%&amp;quot;&amp;gt;g(x) = \frac{2}{3}x^3 + x^2 - 12x&amp;lt;/math&amp;gt;. Be sure to give coordinate pairs for each point. You do not need to draw the graph.&lt;br /&gt;
&lt;br /&gt;
== [[022_Exam_2_Sample_A,_Problem_10|&amp;lt;span class=&amp;quot;biglink&amp;quot;&amp;gt;&amp;lt;span style=&amp;quot;font-size:80%&amp;quot;&amp;gt;&amp;amp;nbsp;Problem 10&amp;amp;nbsp;&amp;lt;/span&amp;gt;]] ==&lt;br /&gt;
&amp;lt;span class=&amp;quot;exam&amp;quot;&amp;gt;&lt;br /&gt;
'''Use calculus to set up and solve the word problem:''' Find the length and width of a rectangle that has a perimeter of 48 meters and maximum area.&lt;/div&gt;</summary>
		<author><name>MathAdmin</name></author>
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