008A Sample Final A, Question 2

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Question: Find f(5) for , which is the function from problem 1.


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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