How do I find Find f(g(5))

Question

Given f(x) = 3x + 10   g(x) = x - 2  h(x) = x^2

Answer 1

f(x) = 3x +10

g(x) = x-2

g(5)= 5-2 = 3

f(g(5)= f(3) = 3(3)+10 = 6+10 = 16

f(g(5) = 16

h(x) =x^2

if h(x) = f(g(5) =16= 4^2, then h(4)= x^2= 4^2 =16