Which expressions are equivalent to t = 2( -h - 3)
A t = - 6 - 2h
B t = 4h -6h - 6
C t = - 2h - (-6)
D t = - (6 + 4h)

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