Question

Function operations and composition

g(a)= 4a +4
h(a)= -4a + 5
Find (g + h)(a)

Answer 1

(g + h)(a) = 9

Explanation:

g(a)= 4a +4

h(a)= -4a + 5

(g + h)(a)

We add the functions

(g + h)(a) = 4a +4 + -4a + 5

Combine like terms

(g + h)(a) =0a +9

(g + h)(a) = 9