Meg pounded a stake into the ground. when she
attached a leash to both the stake and her dog’s collar,
the dog could reach 9 feet from the stake in any direction.
using 3.14 for π, what is the approximate area of
the lawn, in square feet, the dog could reach from the
stake?

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