i can answer this question sweetie!
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
6 hours 48 min
13.6×30=408min=6 hours 48 min.
hope to and hope that my answer is brainliest.(follow me )
it would be c