1. (1212:) Given is a graph of some function y: x) on [72. so). (a) For what a:-value[s) the function is NOT differentiable? Explain why it is not differentiable? (b) Find lim2 Lia). Justify your answer. 3 m 7 (c) For what value of c, f'[c) : 0. (d) For what values of 1, function x) is continuous but NOT differentiable. (9) Does the Intermediate Value Theorem applicable on the interval? Explain. i) [2,1/2], ii) [1,2]