Question

If f(x) = -7x + 5x2 + 10, what does f(-2) equal?

Answer 1

f(-2) = 34

Explanation:

Simply input the value (-2) into the equation : -7x + 5*2 + 10

-7(-2) + 10 +10

+14 + 10 +10. Note: - * - = +, so there it changes to +14

= 34

f(-2) = 34