Find the absolute minimum and absolute maximum of
f(x,y)=6−8x+13y
on the closed triangular region with vertices (0,0),(13,0) and (13,17) .
list the minimum/maximum values as well as the point(s) at which they occur. if a min or max occurs at multiple points separate the points with commas.
Minimum value___
Occurs at___
Maximum value___
Occurs at___