Given the function f(x, y) =2 x + 3 y on the convex region defined byR= {(x, y) : 6x + 2y ? 30,4x + 3y ? 30, x ? 0,y?0}(a) Enter the maximum value of the function(b) Enter the coordinates (x, y) of a point in R where f(x, y) has that maximum value.