Question

F(x-1)=3x²-7x+8, find f(x)​

Answer 1

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