Answer the following discrete math problem #3

Find a recurrence relation, with initial condition, that uniquely determines the sequences: 9,2,-5,-12 2,7,5,-2,-7.. Obtain a formula for the recurrence relation you found in (i) in part (a) above. Verify your result Find a formula for each of the following recurrence relations. A_n = a_n-1 + 7 for n less than or 1 a_0 = 5 a_n = 3a_n-1 for n less than or 2 a_1 = 2