Difference between revisions of "Math 22 Exponential Functions"
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7.<math>a^{-x}=\frac{1}{a^x}</math> | 7.<math>a^{-x}=\frac{1}{a^x}</math> | ||
| + | '''Exercises''' Use the properties of exponents to simplify each expression: | ||
| + | '''a)''' <math>(8^{\frac{1}{2}})(2^{\frac{1}{2}})</math> | ||
| + | {| class = "mw-collapsible mw-collapsed" style = "text-align:left;" | ||
| + | !Solution: | ||
| + | |- | ||
| + | |<math>(8^{\frac{1}{2}})(2^{\frac{1}{2}})=(8\cdot 2)^{\frac{1}{2}}=16^{\frac{1}{2}}</math> | ||
| + | |} | ||
| + | |||
| + | '''b)''' <math>\frac{7^5}{49^3}</math> | ||
| + | {| class = "mw-collapsible mw-collapsed" style = "text-align:left;" | ||
| + | !Solution: | ||
| + | |- | ||
| + | |<math>\frac{7^5}{49^3}=\frac{7^5}{(7^2)^3}=\frac{7^5}{7^{2.3}}=\frac{7^5}{7^6}=7^{5-6}=7^{-1}=\frac{1}{7}</math> | ||
| + | |} | ||
[[Math_22| '''Return to Topics Page''']] | [[Math_22| '''Return to Topics Page''']] | ||
'''This page were made by [[Contributors|Tri Phan]]''' | '''This page were made by [[Contributors|Tri Phan]]''' | ||
Revision as of 07:36, 11 August 2020
Definition of Exponential Function
If Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle a>0}
and , then the exponential function with base is
Properties of Exponents
Let and be positive real numbers, and let and be real numbers.
1.
2.
3.
4.
5.Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle (ab)^x=a^xb^x}
6.Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle (\frac{a}{b})^x=\frac{a^x}{b^x}}
7.Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle a^{-x}=\frac{1}{a^x}}
Exercises Use the properties of exponents to simplify each expression:
a) Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle (8^{\frac{1}{2}})(2^{\frac{1}{2}})}
| Solution: |
|---|
| Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle (8^{\frac{1}{2}})(2^{\frac{1}{2}})=(8\cdot 2)^{\frac{1}{2}}=16^{\frac{1}{2}}} |
b) Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \frac{7^5}{49^3}}
| Solution: |
|---|
| Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \frac{7^5}{49^3}=\frac{7^5}{(7^2)^3}=\frac{7^5}{7^{2.3}}=\frac{7^5}{7^6}=7^{5-6}=7^{-1}=\frac{1}{7}} |
This page were made by Tri Phan