You are spreading fertilizer on a golf course at the rate of 40 pounds per 10,000 square feet. if the course is 320 acres, how many tons of fertilizer will be needed? how many tons of fertilizer will be needed? round off to nearest whole number.
a.)6
b.)28
c.)80
d.)174

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