Question

Let f(x) = -2x - 7 and g(x) = -4x + 3. Find (f ° g)(-5).

A. 23

B. –53

C. –9

D. 3

Answer 1

its nothing but f(g(-5))

g(-5) = -4*(-5) + 3 = 20+3 = 23

So we need f(g(-5)) = f(23) = -2*23 - 7 = -46-7 = -53

Answer 2

thank you!

Answer 3

My pleasure. Having fun helping ppl out here :)