Use Descartes’ rule of signs to determine the possible number of positive and negative real zeros for the following function. Then, use a graph to determine the actual numbers of positive and negative real zeros.

**P(x)=x ^{3}-3x^{2}-33x+35**

*A)* What is the possible number of both positive and negative real zeros of this function?

*B)* Use the graph of f(x) to determine the actual numbers of positive and negative real zeros.