Question

If f(x) = x^2+x-3, then f(3a) =

(a) 3a^2+3a-3
(b) a^2+3a-3
(c) 3a^2+3a+3
(d) 9a^2+3a-3
(e) 9a^2-3a+3

Answer 1

A

Explanation:

With functions all you need to do is substitute in the passed value for x.