Question

Given: f(x) = x^2, g(x) = x + 6, h(x) = 7

Find f{g[h(x)] }.

Answer 1

`f(g(h(x)))=(7+6)^2=13^2=169`

Answer 2

Given: f(x) = x^2, g(x) = x + 6, h(x) = 7

g[h(x)] = 7 + 6 = 13

f{g[h(x)]} = 13^2 = 169

Answer

f{g[h(x)]} = 169