Assume that the accompanying viewing rectangle shows the essential features of the graph of f(x) = -x³+ 4x+ 2. Use a graphing utility to estimate to the nearest hundredth the coordinates of the turning points. f(x) = -x³+ 4x+ 2 [- 4, 4, 2] by [- 12, 12, 6] A) (- 1.14, - 1.08),(1.14, 5.08) B) (- 1.14, - 1.09),(1.14, 5.09) C) (- 1.15, - 1.07),(1.15, 5.07) D) (- 1.15, - 1.08),(1.15, 5.08) E) (- 1.16, - 1.08),(1.16, 5.08)

Question

Quizplus · Accepted Answer

Using a graphing utility and the given viewing rectangle, we can estimate the coordinates of the turning points to be approximately (-1.15, -1.08) and (1.15, 5.08). The closest answer choice to these estimates is (D) (-1.15, -1.08),(1.15, 5.08). Therefore, the best choice is (D).

Assume That the Accompanying Viewing Rectangle Shows the Essential Features