The amount of pay, p, that susan earns varies directly with the number of hours, h, that she works. if k is the constant of variation, which equation represents the situation

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