Evaluate the expression. (6 + 2)3 ÷ 42 A) 4 B) 6 C) 32 D) 64 PLZZZ HURRY IM TIMED :[

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