Question

okay I honestly need help here please ill give medals
If f(x) = 2x2 + 4, find f(3).

22

16

-0.5

40

Answer 1

So for f(3), it means to replace every x with 3.

f(x) = 2x^2 + 4
f(3) = 2(3)^2 + 4

Answer 2

Then you simplify

Answer 3

I gotten 21..

Answer 4

wqit nvm I got 22

Answer 5

Yep, right, good job :)

Answer 6

thanks can you help me on a few more ?

Answer 7

Close this question and open a new one and I'll check it out :)

Answer 8

okay thanks!