Question

H(a)= -2a+2
g(a)= a^2+1+a
find (h-g)(-4)

Answer 1

- 3

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