Question

Find g(f(2)) given g(x) = 2x - 5 and f(x) = 7 - 2x

Answer 1

g(f(2)) = 1

Explanation:

g(x) = 2x - 5 and f(x) = -2x+7

g ( -2x + 7 )

g(f(x)) = 2 ( -2x + 7 ) - 5

g(f(x)) = -4x + 14 - 5

g(f(x)) = -4x + 9

g(f(2)) = -4(2) + 9

g(f(2)) = -8 + 9

g(f(2)) = 1