Below is the function f(x). -6 -5 -4 -3 -2 -6- Over which interval of æ values is f' > 0? O (1, 0) O [1, 00) O(-00, 1) O(- ∞, 1] O(-∞, 0 Over which interval of z values is f' < 0? O (1, 00) O [1, 00) O(- 0, 1) O(- 00, 1] Over the interval ( – x, 0), this function is concave up (f'' > 0) O concave down (f"< 0)

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