Please answer question 9 with no scientific calculator, if you can simplify the answer but only using a scientific calculator then leave it unsimplified. Thanks

Question 9 (2 points) Using derivative rules, find the derivative of the following function. DO NOT simplify your answer. sec'x tan' x y = 5x Question 7 (3 points) Given the function f (ac ) = ac - 2 sin ac over the interval 0, 2nt) , find the x-coordinates of all the inflection points