(a) At which x-value(s), if any, does an absolute maximum occur? Explain your reasoning.
(b) At which x=value(s), if any, does an absolute minimum occur? Explain your reasoning.
(c) What can you say about the second derivative, f^('')(x), on the interval from x=-2 to
x=2 ?
(d) What can you say about the first derivative, f^(')(x), at the point x=2 ?