Question

s

Answer 1

oh i know this one... it's inverse :)

Answer 2

but there the same.

Isn't it an odd or even function were looking for here?

Answer 3

odd or even have little to nothing to do with this stuff here ^.^
odd function f simply means f(-x) = -f(x)
even function f simply means f(-x) = f(x)

get it? ^.^

Answer 4

ya thanks