SOLUTION: if (x)=4x-3 find the following. f(-1)

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Question 61547: if (x)=4x-3 find the following.
f(-1)
Answer by tutorcecilia(2152) About Me  (Show Source):
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f(x)=4x-3 find the following.
f(-1)=4(-1)-3 [substitute (-1) for x]
f(-1)=-4-3
f(-1)=-7