The cost, c, of ground beef varies directly with its weight in ounces, w. if 16oz of ground beef cost $3.20, what is the equation that would allow you to find the cost of any weight of ground beef?
a. c=0.2w
b. c=3.2w
c. c=5w
d. c=8w

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