Mathematics, 14.07.2020 23:01 sagetpc68741

PL HLP Below is the graph of the polynomial function f(x) = -x^3 + x^2 + 6x. What are (is) the approxiamate interval(s) where the graph is decreasing. A.(-∞, -1] B.(-∞, -1], [1.75, ∞) C.[-1, 1.75] D.[1.75, ∞)

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PL HLP Below is the graph of the polynomial function f(x) = -x^3 + x^2 + 6x. What are (is) the appro...