SOLUTION: if f(x) =5x - 1, find the following f(a-2)

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Question 111517: if f(x) =5x - 1, find the following
f(a-2)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29+=5x+-+1
To find f(a-2), substitute (a-2) wherever you see x.
f%28x%29+=5x+-+1
f%28a-2%29+=5%28a-2%29-1
Simplify
f%28a-2%29=5a-10-1
f%28a-2%29=5a-11