50 POINTS!!! Need Answer ASAP!

Please explain in simplest form this is my second time asking this question because I am so confused please help!

Molly is on a game show. To win $1,000,000, she must answer this question:

What key features are necessary—and how are the features used—to create the sketch of a polynomial function?

What is Molly's winning answer? Explain in complete sentences.