How to solve (x+7)(x-9)>0

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?

Match each function with its rate of growth or decay

How many solutions does the nonlinear system of equations graphed bellow have?