Math help?

2 ⤊

If f(x)= -x3 + x2 + x find f (-2)

2007-07-07 09:15:31 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

12.

2007-07-10 23:10:13 · answer #1 · answered by Anonymous · 1⤊ 0⤋

f(-2)=-(-2)^3+(-2)^2=8+4=12

2007-07-07 16:23:00 · answer #2 · answered by eight_ball8 3 · 0⤊ 0⤋

Plug -2 in for wherever there's an x

So solve the equation f(x) = -(-2)^3 = (-2)^2 + -2

Watch your signs!!!!

2007-07-07 16:18:52 · answer #3 · answered by Lady Geologist 7 · 1⤊ 0⤋