Question

One of the zeros of the function y = f(x) is 3. Choose the expression which COULD represent f(x).

A) f(x) = (x + 7)^3

B) f(x) = (x + 9)^2

C) f(x) = (x + 5)^2(x − 4)

D)f(x) = (x + 6)(x − 3)2

Answer 1

The answer is D. Plug 3 into the term (x-3) and you’ll get 3-3 which is 0.