Question

Let f(x) = 2x − 5and g(x) = 5x − 2. what is (g ∘ f)(−6)?

Answer 1

given that

f(x)= 2x-5

g(x)= 5x-2

(gof)x = g(2x-5)

= 5(2x-5)-2

=10x-25-2

= 10x-27

now

(gof)(-6) = 10(-6)-27

= -60-27

= -87

hope it help you