What's the selling price? Cost to store: $40 Markup: 25%

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

noncoplanar points are points that do not lie on the same line.

df =

both have same length