Plz how to solve this

Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?

Extra points! find the missing dimension! need asap

Explain how the quotient of powers was used to simplify this expression.