SOLUTION: Given f(x) = -4x+1, find f(a+1)

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Question 178434: Given f(x) = -4x+1, find f(a+1)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29+=+-4x%2B1 Start with the given function


f%28a%2B1%29+=+-4%28a%2B1%29%2B1 Plug in x=a%2B1. In other words, replace each "x" with "a+1"


f%28a%2B1%29+=+-4%28a%29-4%281%29%2B1 Distribute


f%28a%2B1%29+=+-4a-4%2B1 Multiply


f%28a%2B1%29+=+-4a-3 Combine like terms.


So the answer is f%28a%2B1%29+=+-4a-3