\fQuestion 3 Solve the problem. Find the equation of the plane containing the points P = (3, 1, 3), Q = (3, 0, -3), and R = (0, 2, -1). 10x + 18y - 3z = 0 O 10x + 18y - 3z - 39 = 0 10x - 18y - 3z + 3 = 0 O -y+ 6z + 19 =0 Previous Not savedD Question 4 Find the angle between the given vectors to the nearest tenth of a degree. u = (6, 7), v = (4, 4) O 4.40 O -7.80 O 14.40 O 2.20 PreviousD Question 5 Sketch the surface z = f(x.y). f(x, y) - x2 O on x OD Question 6 Solve the problem. Find a vector of magnitude 3 in the direction opposite to the direction of v = 2 1 + 31 - - k. PreviousQuestion 7 Solve the problem. Find a unit vector perpendicular to plane POR determined by the points P(2, 1, 3). Q(1. 1. 2) and R(2, 2, 1). 01 (1 - 21 - 1) 01 76 (1 -21+10 ) 01 V8 (1 - 21 - 210) 01 16(1 - 21. 10) . Previous