From the given graph, we can deduct that
(a) The function is increasing over (-8,-5), (-2,2), and (5, infinite).
(b) The function has a local maximum at x = 2 and x = -5.
(c) The leading coefficient has a positive sign because the function is an opening upside.
(d) According to the given behavior, the function has to have an even degree, specifically, a grade of 6 because there are 5 inflection points, which are always one less than the grade. Hence, the grade is 6.