Answer the following questions for the function defined on the interval . Enter points, such as inflection points in ascending order, i.e. smallest x values first.

Remember that you can enter "pi" for as part of your answer.

A.is concave down on the region to

B.A global minimum for this function occurs at

C.A local maximum for this function which is not a global maximum occurs at

D.The function is increasing on to and on to .