I'm having trouble with doing this problem, and I'm not really sure how to even first go about it. All I was able to figure out is that . If someone could explain this problem to me step by step that would be really appreciated, thank you!

Let . The graph is symmetric with respect to the Y-axis, has relative maximum at , and has an absolute minimum at

A)Determine the values and using these values write an expression for

B)Find all possible values of