Question

If f(x) = 2x2 + 2, find f(5).

Answer 1

same thing. 52

Answer 2

im guessing thats an x^2?

Answer 3

Yes it is.

Answer 4

\[2(5)^2+2 = 50+2=52\]

Answer 5

yup, just put 5 wherever you see x in the equation and solve it.
\[f(x) = 2x^2+2\]\[f(5)=2*(5)^2+2\]\[f(5)=52\]