A greeting card company can produce a box of cards for $7.50. If the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50? Need a good explanation

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

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative