Question

The regular price of a computer is x dollars. The price of a computer after a discount is given by f(x) = x − 400. The price of a computer after a 25% discount is given by g(x) = 0.75x . Use composition to show the new function that represents a $400 discount being taken then a 25% discount being taken.

Answer 1

We will get a function: $g(f(x)) = 0.75(x-400)$