Answer:
A. 22
Step-by-step explanation:
What you do is you plug 3 into the x of the equation.
See how it says f(x), find f(3). You just substitute 3 into x.
2(3)^2+4.
2(9)+4.
18+4
22 is your answer.
your answer would be 22, hope i can help ^__^
