Question

If f(x) = 3x^2+x-2, then f(-2) =

Answer 1

f(-2) =8

Explanation:

f(x) = 3x^2+x-2

Let x = -2

f(-2) = 3 * (-2)^2 + (-2) -2

= 3(4) -2 -2

=12 -2-2

=10 -2

=8