23. Find the equation of the tangent to y = 3allr + 3a}: that is parallel to y = 6ax+ 5. 'ill. 29. The tangent to the function y = 2 einxcusx at x - E and the x and yaxes form a triange. Determine the exact area of the triangle. (5 marks) 30. The horizontal displacement of a swinging pendulum is given by t) : 1.5 cos(t)e_u5:, where r) is the horizontal displacement, in centimetres, from the lowest point of the swing, as a function of time, t, in seconds. (Set calculator to RAD) a) Determine the horizontal displacement at 6 seconds. (2 marks) b) Determine the instantaneous rate of change at 4 seconds. Show all steps for full marks