There are 12 red gummy bears in a jar of 60 gummy bears what is the percentage of the gummy bears in the jar that are red

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis