Question

Let f(x) = x – 2 and g(x) = x2. find (g ∘ f)(7).

Answer 1

(g ￮ f)(7) = 25

Explanation:

to evaluate (g ￮ f)(7)

first evaluate f(7) , then substitute the value obtained into g(x)

f(7) = 7 - 2 = 5 , then

g(5) = 5² = 25