Where calculations are involved express your answers accurate to two decimal places. (2 d.p.) The purpose of this assignment is to: Be able to use calculus to solve engineering problems. Q1: Differentiate the following functions. a. y =4x -3x2 +x 37 -6 with respect to 'x' (w.r.t. x) b. S = 4e 3 _ -3.51 w.r.t. t c. y = 4sin 1/20-3cos60 w.r.t.0