Question

Hi :) I'm taking a math course online
and I can't understand this question.
Please explain your steps, Thank You :D

If f(x) = 2x^2 + 2, find f(5).
a) 102
b)52
c)22
d)-1.5

Answer 1

put x=5 to f(x), it means
f(5) = 2(5)^2 + 2
f(5) = 2(25) + 2
f(5) = 50 + 2
f(5) = 52

Answer 2

I got it:) Thank You!

Answer 3

you're welcome