9-10

Question 9 0/1 pt 9 2 0 Details Find the derivative of: -5e cos (9x). Use e^x for et. Now, find the equation of the tangent line to the curve at x = 0. Write your answer in ma + b format. y Check Answer Question 10 0/1 pt 9 2 0 Details A particle moves along a straight line with equation of motion s = to - 6t. Find the value of t (other than 0 ) at which the acceleration is equal to zero