Please Help: 9.2.1 Activity

TOPIC 9-2: Independent Practice & Application A. For each arithmetic sequence, write the next four terms. 1. 7,12,3 1, , ,_,_,. 2. 18,15.25,12.5, , , , ,. 3. 36,40.5,45, , , , , B. For each of the following arithmetic sequences, determine both the recursion formula and the general rule for the nth term. 4. 6,8,22,... 5. 3,14.4,31.8,... 5. 1,3,1... 3 3 C. For each of the following sequences, determine the indicated arithmetic means. 7. 15,_,_,_,15,... 3. 17,_,_,_,_,_,3.5,... D. Determine each arithmetic series. Use the graphing calculator to verify your sum. 9. The sum of the rst 38 terms of the sequence: -89,13,115,... 10. S26 for the series 9 +13 +17, +... 92 11. Z3n+18 n=1 E. Solve each problem. 12. Determine the first ve terms of the arithmetic sequence having these values: (11 = 97;an = 447;Sn = 11,375 13. You are considering two job offers. Company 1 offers a starting salary of $25,000 per year, and guarantees a raise of $1,500 each year. Company 2 offers a starting salary of $31,000, but guarantees a raise of only $1,000 each year. (a) Determine the total salary paid by each company in 15 years. (b) Which company offers the best 15-year salary package