Question

F(x)=2x and g(x)=x2+3, find (g ∘ f)(−3)????

Answer 1

18

Explanation:

f(x)=2x and g(x)=x2+3, find (g ∘ f)(−3)

f(x)= 2(-3)= -6

g(x)= (-3)(2) +3= -6+3= -3

(g ∘ f) = -6 x -3= 18