A pair of shoes usually sells for $70. If the shoes are 30% off, and sales tax is 6%, what is the total price of the shoes, including tax?
A.
$52.43
B.
$51.94
C.
$53.20
D.
$55.65

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