4. Consider the following vectors u = i - 27, 7 = (-3, 2) and vector w which connects point P = (1, 1) to Q = (0, 3) [6] (a) Calculate the vectors below and then sketch. a) In component form, w b) -2u = c) 2u + 7= [7] (b) a) Give a unit vector in the direction of vector w b) Find the dot product, v . w? c) What is the projection of v onto w? c) Find the angle between the vectors v and w