Question

If ƒ(x) = 5x − 2 and g(x) = 1 − 2x, find (ƒg)(x).

(a) 9x − 10x^2 − 2
(b) 15x − 2
(c) 5x − 6x^2 − 2
(d) 10x^2 + 9x + 2
(e) 3x − 1

Answer 1

A

Explanation:

(fg)(x) = f(x)*g(x) = (5x-2)(1-2x) = 5x-10x^2-2+4x = a