Question 1 10 pts 9 1 0 Details Suppose that f(x, y) = et/y on the domain D = {(x, y) | 0 > div F = Submit QuestionO NQuestion 8 The vector field F is shown in the xy plane. y 2- Is div F positive, negative, or zero? O Positive O Negative O Zero Submit Question Question 9 Let F = . Use Stokes' Theorem to evaluate curlF . dS , where S is the hemisphere x2 + y' + 22 = 9, z > 0, oriented upwards Submit