Which relationships have the same constant of proportionality betweeny and x as the equation y=1/2x?
choose 3 answersA 6y=3x B graph c graph D x 234 y 1 2.5 3 E x 4510 y 2 2.5 5 help please

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