Question

If f(x) = 2x2 + 1, what is f(x) when x = 3?
O 1
O 7
O 13
O 19

Answer 1

Answer:

19

Step-by-step explanation:

f(x) = 2x^2 + 1

Let x= 3

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

Exponents first

     = 2 * 9+1

Then multiply

     = 18+1

Add

   = 19

Answer 2

Answer:

THE ANSWER IS 19 JUST TOOK THE UNIT TEST

Step-by-step explanation: