Question

Let f(x) = 2x - 1, g(x) = x²- 2 x+ 1. find (f• g ) (x)​

Answer 1

f•g(x) = f(x)•g(x)

f•g(x) = (2x-1) (x²-2x+1)

= 2x³-4x²+2x-x²+2x-1

= 2x³-5x²+4x-1