Question

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

Answer 1

-41

Explanation:

f(x) = 4x + 3 and g(x) = -2x + 5

g(f(5) ) =

First find f(5) = 4(5)+3 = 20+3 = 23

Then find g(23) = -2(23) +5 = -46+5 = -41