Question

Need Help ASAP!

Which function is an even function?

A f(x) = -x^2

B f(x) = 6x^3

C f(x) = -x - 2

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

Answer 1

Even functions are symmetric about the y-axis.

Answer 2

Are the negative choices not even?

Answer 3

http://www.mathsisfun.com/algebra/functions-odd-even.html
Mathisfun.com is a good website that I use. Its a great refresher even for me.

Answer 4

Thanks. I will check it out :)

Answer 5

Hmm...I think the answer is A but im not totally sure

Answer 6

Thats right.

Answer 7

Awesome thanks :)

Answer 8

No problem.