Question

If a(x) = 2x - 4 and b(x) = x + 2, which of the following expressions produces a quadratic function?

(ab)(x)
Ol
(x)
(a - b)(x)
(a + b)(x)

Answer 1

(ab)(x)

Explanation:

The sum or difference of two linear functions will be a linear function. The product of two linear functions will be a quadratic function.