dy I' + 2 O 72 + 1 + 2x In (x2 +1) where y = (x2 + 2) [In (z2 + 1)]. dy 4x2 O dx 72 + 1 O = 2x (x2 + 2) In (x2 + 1) + 2x In (x2 + 1) dy 2x (22 + 2) O dx x2 + 1 + 2x In (x2 + 1) 17) Which of the following statements is equal to O (NN) A+B NA . NB? O (NN) AB O NA+B O NAB 18) Suppose f(x) = 27 -2z 212-21. Find f' ( 1 ). Of'(1) = 0 Of' ( 1 ) = - O f'(1 ) = = In 2 Of'(1) = In 2 19) Evaluate without a calculator. log153375 (log3125) (log527) log15 152 Hint Use the change of base formula to write the logs with 0 6 base 10. None of the above logn T Change of Base Formula: logic = log b