Answer:
- 3
Step-by-step explanation:
note (h - g )(a) = h(a) - g(a) , thus
h(a) - g(a)
= - 2a + 2 - (a² + 1 + a)
= - 2a + 2 - a² - 1 - a
= - a² - 3a + 1, so
(h - g)(- 4)
= - (- 4)² - 3(- 4) + 1
= - 16 + 12 + 1
= - 3
