The domain for f(x) and g(x) is the set of all real numbers. let f(x) = 2x2 + x − 3 and g(x) = x − 1. find f(x) • g(x). x2 − 4x + 3 2x3 − x2 − 4x + 3 2x3 − 4x2 + 3 2x3 − x2 + 4x − 3