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37 votes
37 votes
F(x-1)=3x²-7x+8, find f(x)​

User Dominic P
by
3.2k points

1 Answer

15 votes
15 votes

Answer:

f(x) = 3x² -x +4

Explanation:

Use (x+1) for x and simplify.

f((x+1) -1) = 3(x +1)² -7(x +1) +8

f(x) = 3(x² +2x +1) -7x -7 +8

f(x) = 3x² -x +4

User Adriano Rosa
by
3.3k points
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