Please try to explain the answer for me to understand please.

3. Give the recurrence relation where indicated or solve the given recurrence relation by algebraically unrolling it (a) Give a recurrence relation, T(n), and its initial condition for the sequence 3, 5,9, 17,33, 65 5 points (b) Solve the relation in 3(a). [5 points] (c) Solve T(n)-en + T(n 1) with the initial condition T(1) 1. [5 points] (d) Solve T(n) = aT () + n with the initial condition T(1)-1. [10 points]