Consider the function graphed at right. Join multiple intervals with a union. A) Give the interval(S) where the function is increasing. B) Give the interval(s) where the function is decreasing. -20 -9 8 7 6 -5 4 3 -2 - C) Give the interval(s) where the function is constant. D) Give the domain of the function using interval notation. E) Give the range of the function using interval notation