Question

The function h(x) = 4(x^2) - 5x, what is the value of h(-3)?

-93
-9
21
51
159

Answer 1

h(-3) = 51

Explanation:

h(x) = 4(x^2) - 5x h(-3)

h(-3) = 4(-3²) - 5(-3)

h(-3) = 4(9) + 15

h(-3) = 36 + 15

h(-3) = 51