Question

Given the functions below, find g(5) + h(2).
g(x) = 2x - 5
h(x) = 4x + 5

Answer 1

18

Explanation:

substitute x = 5 into g(x) and x = 2 into h(x)

g(5) + h(2)

= 2(5) - 5 + 4(2) + 5

= 10 - 5 + 8 + 5

= 5 + 13

= 18

Answer 2

g(5) = 2(5)-5=5
h(2)=4(2)+5=13

So, g(5)+h(2)=13+5=18.