Consider the point

(a) Find the value of * *

(b)
Now that we have the values of

** A. ** ** B. ** ** C. ** ** D. ** ** E. ** ** F. ** ** G. ** ** H. ** ** I. ** None of the above

(c) Use one of your answers to part (b) to find a possible value of

(d) Which of the following are also possible values of

** A. ** ** B. ** ** C. ** ** D. ** ** E. ** ** F. ** None of the above

(e) Find all possible values of

where