Consider the following recursive method: a. Identify the base case. b. Identif...

Consider the following recursive method:

a. Identify the base case.

b. Identify the general case.

c. What valid values can be passed as parameters to the method mystery?

d. If mystery(0) is a valid call, what is its value? If it is not a valid call, explain why.

e. If mystery(5) is a valid call, what is its value? If not, explain why.

f. If mystery(-3) is a valid call, what is its value? If not, explain why.