Suppose you are told that H '(x) is positive on the intervals -3 5 (and nowhere else). O Which of the following could be a graph of H (x)? HO) . 6 8 -4 3 2 1 1 2 3 4 O 68- 4/2 1 2 3 H(X) O HOX) - 68 - 4 3 2 1 1 23 O HOO OO -64-4 3 2 1 123 4 56On which of the following intervals O (- 00, 0) -5 is the graph of y = x - 2 O (-00, 2) concave down? O (0,00) O (2,00)