Question

Find h(-2),h(0), and h(5) for the following function h(x)=9x^(2)-4

Answer 1

h(-2) = 32

h(0) = -4

h(5) = 221

Explanation:

h(x) = 9x² - 4

h(-2) = 9 × (-2)² - 4 = 9 × 4 - 4 = 36 - 4 = 32

h(0) = 9 × 0² - 4 = 0 - 4 = - 4

h(5) = 9 × 5² - 4 = 9 × 25 - 4 = 225 - 4 = 221