Let f(x) = x2 and g(x) = x − 3

Question

Let f(x) = x2 and g(x) = x − 3.

Evaluate (f ∘ g)(−2)

 

A.1


B.25


C.−7


D.20

Answer 1

g(-2) = -2 - 3 = -5

 

f(-5) = (-5)^2 = 25

Answer 2

g(-2) = -2 - 3 = -5

 

f(-5) = (-5)² = 25