Question

If f.) = 2x2 + 1, what is f(x) when x = 3?

Answer 1

Answer:

19

Step-by-step explanation:

f(x) = 2x^2 +1

Let x =3

f(3) = 2 (3)^2 +1

     = 2 *9 +1

     = 18 +1

     = 19