A farmer models the crop yield (in bushels) from adding x kilograms of fertilizer by…

MATHEMATICS · Single correct · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation

Problem

A farmer models the crop yield (in bushels) from adding x kilograms of fertilizer by the function

Y(x)=-2x^{2}+8x+50

for

0\le x\le5

. Which of the following sets of

x

–values must be evaluated to determine the absolute maximum yield on this interval? (a) \{0,\,5\} (b) \{0,\,2,\,5\} (c) \{0,\,4,\,5\} (d) \{2,\,5\}