Question: 2. (a) (4 pts) f(x, y) is a function with level curves below. 15:06 12.50 20.00 20.00 175 -12.30 17.50 50 15,00 10.00 10.00 .250

2. (a) (4 pts) f(x, y) is a function with level

2. (a) (4 pts) f(x, y) is a function with level curves below. 15:06 12.50 20.00 20.00 175 -12.30 17.50 50 15,00 10.00 10.00 .250 2 2.50 5.00 -2.50 - 2 2 4 2.50 5.00 2.50 - 750-10 01 10.00 15.00 7.50 A 17.50 -12.30 12:30 -200 20.00 - 5.00 12.50 -1590 Determine whether the sign of each partial derivative below is positive or negative. i. fx (2, 4) ii. fy(-3, -3)

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