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

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Question 61548: if f(x) =5x-1 find the following.
f(a-2)
Answer by tutorcecilia(2152) About Me  (Show Source):
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f(x) =5x-1 find the following.
f(a-2)=5(a-2)-1 [substitute (a-2) for x]
f(a-2)=5a-10-1 [simplify]
f(a-2)=5a-11