Not sure how to do this one, the way that it is worded confuses me. I'd appreciate any help you may offer.

Find an approximation for h(x)=e^(-x^2)) by finding a formula f(x) = e^x = p5(x), where p5(x) is a fifth degree polynomial, and by writing h(x) = f(-x^2) = p5(-x^2).

Thank you