Six friends want to play enough games of chess to be sure every one plays everyone else. How many games will they have to play

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

sweetheart, there isn't a cube below.

point m is on plane r