G f(1,1) f(-1,1)Given contour map of z = f(x, y), sketch the gradient vectors (with approximate length and direction): ∇f(1, 1), ∇f(1, −1), ∇f(−1, 1), and ∇f(−1, −1). Describe, how you choose the direction and the length of the gradient vector in each case.

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Cameron indoor stadium at duke university is one of the most revered sites in all of college basketball, as well as in all of sports period. duke’s men’s and women’s basketball programs have attained quite a few wins in the building over the last seventy years. cameron indoor stadium is capable of seating 9,460 people. for each game, the amount of money that the duke blue devils’ athletic program brings in as revenue is a function of the number of people in attendance. if each ticket costs $45.50, find the domain and range of this function.

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save