Question

Let f(x)=x^2+5 and g(x)=3x+5. Find g[f(0)]
g[f(0)]= _ (simplify)

Answer 1

g(f(0)) = 20

Explanation:

Evaluate f(0) then substitute the result obtained into g(x)

f(0) = 0² + 5 = 0 + 5 = 5 , then

g(5) = 3(5) + 5 = 15 + 5 = 20