Es Below is the graph of a polynomial function f with real coefficients. Use the graph to answer the following questions about f. All local extrema of fare shown in the graph. (a) The function f is increasing over which intervals? Choose all that apply. O (-60 , -8) 0 (-8, -1) 0 (-1, 5) 0 (-8, 5) 0 (5, 20 ) X 5 (b) The function f has local maxima at which x-values? If there is more than one value, separate them with commas. 0 (c) What is the sign of the leading coefficient of f? Select One (d) Which of the following is a possibility for the degree of f? Choose all that apply. 0 4 0 5 0 6 07 0 8 0 9