The moose population on a small island is observed to be given by the function
where [math] is the time (in months) since observations of the island began.

Note: you can get a larger view of the graph by clicking on it

(a) The maximum population attained at

[math] months.

The maximum population is

[math] moose.

(b) When does the moose population disappear from the island?

[math] months