Question

Evaluate the function.
f(x) = -2x2 + 8x – 10
Find f(-4)

Answer 1

f(-4)=-2(-4)²+8(-4)-10=-2×16-32-10=-74

Answer 2

Explanation:

Given

f(x) = - 2x² + 8x - 10

f(-4) = - 2 * (-4)² + 8 * ( -4 ) - 10

= - 32 - 32 - 10

= - 74

Hope it will help :)