Since for when. Find the maximum volume of such a box. Note that the derivative crosses the x axis at this value and goes from positive to negative indicating that this critical point is a local maximum.
Let the maximum occur at.
Solution to Problem 1. The objective function is the formula for the volume of a rectangular box. C Justify that the value of V you have found is a maximum. Ex1 A rectangular box without a lid is to be made from 12 square meters of cardboard.