1. Edgar is getting better at math. On his first quiz he scored 57 points, then he scores 61 and 65 on his next two quizzes. If his scores continued to increase at the same rate, what will be his score on his 9th quiz? Show all work. I a. Write an explicit formula for the sequence. Explain where you found the numbers you are putting in the formula. b. Identify the value of n and explain where you found it. Use the explicit formula to solve the problem. Write your final answer as a sentence