Solve. -A Rectangular Box with Volume 517 Cubic Feet Is Built

Multiple Choice

Solve.
-A rectangular box with volume 517 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent
The length of a side of the base in feet. Express the cost of the box as a function of x and then graph
This function. From the graph find the value of x, to the nearest hundredth of a foot, which will
Minimize the cost of the box.

A) 8.49 feet
B) 8.83 feet
C) 8.91 feet
D) 8.79 feet