Question

Let f(x) = 2x− 5 and g(x)= 5x-2.Find the value of (g o g)(4/5)


(g o g) (4/5)=

Answer 1

(g o g)(4/5) = 8

Explanation:

g o g(x) = g(g(x)) = g(5x - 2) = 5(5x - 2) - 2 = 25x - 12

g o g(4/5) = 25(4/5) - 12 = 20 - 12 = 8