Show all steps so that the marker can follow your reasoning. QUESTION 1 Determine the following integrals: 4 1.1 J =35 (3) 4x 12 1.2 dx 9 [ x -9 ) 1.3 [ 4cos2x dx (5) 2 1.4 J (el" +l)3 e dx (3) 1.5 {n(e'l"d] dx (3) QUESTION 2 An object moves with variable acceleration, a, given by the formula 3 -2t +2. 2.1 Find an expression for the velocity of the object. (3) 2.2 Find an expression for the displacement of the object. (4)