Use the table below to answer the following questions. If there is more than one answer to a question, enter as a comma-separated list of values. Enter N if there is no answer.

(a) For what values of
(b) For what values of
(c) For what values of
(d) For what values of
(e) What is the minimum value of ?
At what value of does it occur?
(f) What is the maximum value of ?
At what value of does it occur?

You can earn partial credit on this problem.