could i get help pls

Produce a report that contains written descriptions, analysis and mathematics that shows how calculus can be used to solve engineering problems as set out below. 1) The tasks are to find the derivative of the following functions a) y = 3x4 - + e-2x - 3sinx + Inx b) y = 7x2 + 3e2x - 3cos2x 2) The velocity of a moving vehicle is given by the equation v = (3t + 5)5 The task is to a) Use the Chain Rule to determine an equation for the acceleration when a = at