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WRITTEN WORK (LP6-7) A. MULTIPLE CHOICE. Analyze each item and choose your answer from the given options. Write the LETTER of your answer on the blank before each item. 1.) Find the 18th term of the arithmetic sequence where a, = 3 and d = 7. A. 136 C. 122 B. 129 D. 1191 2.) What are the next four terms of the arithmetic sequence 122, 111, 100, ? A. 94, 88, 82, 76 C. 92, 88, 84, 80 B. 95, 90, 85, 80 D. 89 78 67, 56 3.) Which is the rule for the nth term of the arithmetic sequence with a =21 and a , = 457 A. a = 4n - 11 C. a = 4n +1 B. a, = 4n - 8 D. a- = 4n +7 4.) Find the first three terms of the arithmetic series in which a, = 6, a = 201 and S, =4140. A. 6, 12, 15 C 6 15, 40 B. 6, 11, 16 D. 6, 46, 86 5.) What is the fifth term of a geometric sequence if a, =7 and r = 027 A. 5.6 C. 0.28 B. 1.4 D. 0.0112B. COMPUTATION. Analyze then Solve and show your solution 6.) Give the first three terms of the sequence whose nth term formula is given. an = n (2-n) 7.) Find the sum of the first 20 positive even numbers. 8.) How many seats are there until the 4" row if there are 20 seats in the front row of the theater? Each successive row contains two more seats than the previous row.C. PROBLEM SOLVING. Analyze the problem and use the right formula then solve. Show your solution. 1. Justine earned $17 000 during the first year of her job at the city hall. After each year, she received a 4% raise. Find her total earning during the first five years on the job