The domain for f(x) and g(x) is the set of all real numbers.

Let f(x) = 3x + 5 and g(x) = x2.

Find f(x) • g(x).



A: 3x2 + 5


B: 3x3 + 5x2


C: x2 − 3x − 5


D: 3x3 + 3x2 + 5

Plsssss help its for a test