Answer. (Score for Question 3: _ of 5 points) 3. Stanley analyzes the table of values for a polynomial function. He has determined through applying Descartes' rule of sign that there is 1 negative real zero, and either 1 or 3 positive real zeros. He has also determined that the upper bound of the function is 3. X f (x) -2 -105 -1 0 0 5 -2 2 3 3 -20 4 -175 a. What is the degree of the polynomial function? How can you tell? b. How many positive real zeros does the function have? How can you tell