Question

Plot the surfaces in Exercises 49–51 over the indicated domains. If you can, rotate the surface into different viewing positions.

49. z = y2, -2<=. x<= 2, -0.5<=y<=2

50. z = 1 - y2, -2 <=x<= 2, -2<= y<=2

51. z = x2 + y2, -3<=x<= 3, -3<= y<= 3

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