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Find f (×-1) when f (×) =-3×+7. find f (x-1). what's the answer?

User Kompozer
by
5.8k points

1 Answer

3 votes

Answer:


f(x-1)=-3x+10

Explanation:

Substitute
x-1 instead of
x into the function expression:

if
f(x)=-3x+7, then


f(x-1)=-3(x-1)+7=-3x+3+7=-3x+10.

You get the expression
f(x-1)=-3x+10.

User Kreker
by
6.5k points