Use the graph of f' to (a) identify the critical numbers of f, and (b) determine whether f has a relative maximum, a relative minimum, or neither at each critical number. (If an answer does not
exist, enter DNE.)
(a) Identify the critical numbers of f. (Enter your answers as a comma-separated list.)
(b) Determine whether f has a relative maximum, a relative minimum, or neither at each critical number. (Enter your answers as a comma-separated list.)
relative minimum