Write the first five terms of the sequence defined by the explicit formula a,, = 21-2x2. O A. 21, 19, 13, 3, -11 O B. 20, 17, 12, 5,-4 O C. 23, 29, 39, 53, 71 O D. 19,13,3,-11,-29Write the first five terms of the sequence defined by the recursive formula a, = 5a,_1 -1, with a, = 0. O A. -1,-6, -31,-156, -781 O B. 0,-1,-6, -31,-156 O C. 4, 9, 14, 19, 24 O D. -1,4, 9, 14, 19Write an explicit formula for the sequence {a,} =-3,- 2 7 ,... Then find a17 . O A a, =- - 5 11 -; 37 N 2 O B. 3 a, = n - 21 O C. an 11 69 NIU n - 2' 2 O D. NIU -n+ ; - 37Kendyl is memorizing a piece of saxophone music to perform at a local festival. She currently has the first eight bars memorized and plans to memorize two more bars every day until she has the whole piece memorized. Write a recursive formula to model Kendyl's progress. O A. dy, = 20, 1: 41 = 8 O B. a, = d, +2, a) =6 O C. a, = 6+2x, a =8 O D. a, = d, 1 +2, a =8What is the 83rd term of the arithmetic sequence {a,,} = {-22, -18, -14, ...} ? O A. -350 O B. 302 O C. 306 O D. 354Find the first term of the arithmetic sequence in which a27 = - and the common difference is 2. O A. 103 2 O B. 105 2 O C. 103 2 O D. 111 2Calculate S, for the sequence defined by {a,) = (19-4x) . O A. 3 O B. 26 O C. 36 O D. 55Calculate Sys for the arithmetic sequence defined by { an) = (67- 2n) . O A. 83 O B. -83 O C. -675 O D. -1,350Write the series -25- 22-19+... for 14 terms using summation notation. O A. 14 E(-28+3n) i=1 O B. 14 (3n-28) i=2 O C. E(-22-3n) i=1 O D. E(-22 + 32)