008A Sample Final A, Question 2

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Question: Find f(5) for f(x) given in problem 1.

Note: The function f(x) from problem 1 is:


Foundations
How would you find f(5) if f(x) = 2x + 1 instead?
Answer: we replace every occurrence of x with a 5. So


Solution:

Step 1:
Replace any occurrence of x by 5, so

Final Answer:

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