(a) Which of the following is the graph of

A | B | C | D | |||

(b) Assuming the model holds, find all times

Solutions with smaller positive value of

Solutions with larger positive value of

where

*
Use radian measure and enter your answers using at least four significant digits.
*

(c) Based on the graph above, how many times will the Sandhill Crane population be equal to 360 thousand on the interval

(d) Use your solutions to parts (a) through (c) to find all times * Enter your answer as a comma separated list. Use radian measure and round your answer to at least four significant digits.*