Instructions : - Use complete meaningful sentences to answer each question . - Make sure to use proper limit notation . Consider the graph of the function y = p ( a ) that is provided below . Assume that each portion of the graph of p is a straight line , as pictured . 3 4 - B 3 - 3- 1 . State all values of a for which lim_ ap ( 20 ) does not exist . Make sure you explain why . 2 . State all values of a for which p is not continuous at a . Make sure you explain why . 3 . State all values of a for which p is not differentiable at ac = a . Make sure you explain why 4 . On the other axes provided above , sketch an accurate graph of y = p' ( 20 )