- #1

Dapperdub

- 7

- 0

She already made a unit test, but i had to make my own answer key. I got stuck with the final problemLet

*f*be a polynomial function such that, for all real

*x*,

f(x^2+2)=x^4+10x^2+4. For all real

*x*, what is f(x^2-2)?

The only thing I can think of is

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

sadly this is all i can come up with. Any website or youtube link would be grateful to help me in the right direction. Thx