(for problems 13 - 15) (a) rn=rn-1+h-2 (b) rn=rn-1+n (c) rn=rn-1+2 14. Which one(s) of the above is/are an example(s) of a linear homogenous recurrence relation? 15. Which one(s) of the above is/are an example(s) of a linear inhomogenous recurrence relation? 16. Which one(s) of the above is/are an example(s) of a nonlinear recurrence relation