Q1 2.5 Points Which of the following are defined? You can assume that all vector fields have 3 components and f (x, y, z) is a scalar field. curl F O curl f div F div f grad f O grad FQ2 2.5 Points The vector field F is shown in the :L'yplane and looks the same in all other horizontal planes (in other words, F is independent of z). 3' ->>>'> >->>) +>-> \fThe curl F is in the direction of 0 None of the above Save Answer A an Q3 2.5 Points The vector field F is shown in the anyplane and looks the same in all other horizontal planes (in other words, F is independent of z). \fO div F is O zero O positive O negative O k O none of the above Save Answer ich DENT 99+) N W Earn.Q4 2.5 Points Let C be the unit circle oriented counter clockwise and F : ($265i\"($), y + cos(y)>. According to Green's Theorem, what is f F - dr? 0 0 7T 0 '23: cos(:n)esm(m) + 1 sin(y) ' O O O 1 0 None of the above. Save