1. Give the 5 terms of the recurrence relation, an = an-1 - 11 ; if a1 = 4. With a solution for each term. (3 pts.) 2. Give the 5 terms of the recurrence relation, an = an-1 + 21 ; if a1 = 3. With a solution for each term. (3 pts.) 3. Create an arithmetic sequence with five terms starting from 15, as the first term and find the recurrence relation and closed form. (4.5 pts.) 4. Create a Geometric sequence with five terms starting from 18, as the first term and find the recurrence relation and closed form. (4.5 pts.) 5. Send all of your solutions for each item. Send a CLEAR picture of your solutions.