- 6 = 0.75 ( r - 12 )
what is r

r=4

Step-by-step explanation:

-6=0.75(r-12)

-6= 0.75r-9

3=0.75r

r=4

your answer would be b

step-by-step 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