An olympic -size swimming pool in the shape of a rectangular solid has a volume of 3150 cubic meters,, a length of 70 meters,, and a width of 35 meters. what is the depth of the

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints