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, ∞)

Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit