Mathematics, 04.01.2021 02:40 bree249

A small aircraft starts its descent from an altitude of h = 1.4 miles, 4 miles west of the runway a. Find the cubic f(x)=ax3+bx2+cx+d on the interval [−4,0] that describes a smooth glide path for the landing.
b. The function in part (a) models the glide path of the plane. When would the plane be descending at the greatest rate?

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A small aircraft starts its descent from an altitude of h = 1.4 miles, 4 miles west of the runway a...