Question

Evaluate the function /(x) = 5x²+2x for the given value of x. Simplify your answer.
h(-4)

Answer 1

h(-4) = 72

Explanation:

Given:

h(x) = 5x² +2x

Evaluate the function h(x) = 5x²+2x for x=-4 means to

find h(-4) by substituting x with -4:

h(-4) = 5·(-4)² +2·(-4)

h(-4) = 5·16 -2·4

h(-4) = 5·16 -2·4

h(-4) = 80 -8

h(-4) = 72