8.2 Recurrence relations 6: A sequence (an is defined as follows: ao-2, a1-1, and for n22, an-3 an-1-n an-2 1. What is a3? b.-1 ?. d. 2 7: A sequence is defined by the recurrence relation f-n fn-1 fn-3. How many initial values are required so that the sequence is well defined for all n20? C. 2 d. 3 8: A population of mice increases by 10% every year. Define gn to be the number of mice after n years. Select the recurrence relation that describes the sequence (gn) a. gn (1.01) gn-1 b. gn 1.1) gn-1 C. gn (0.01) gn1+gn-2 d. gn (0.1) gn1 gn-2 8.3 Summations 9: Select the mathematical expression that is equivalent to the sum ? 2jMj-2n4jt7