Please answer

a) Consider the function at) : 7 7332/3 dened on the interval [1, 1]. State which of the three hypotheses of Rolle's Theorem fail[s) for f(:r] on the given interval. b) At which values of 5:: does the function x) : 7m + 2561 attain a local maximum and a local minimum? In your answer, make sure to specify which value gives a maximum and which gives a minimum