ExamView - FINAL EXAM REVIEW 2011.tst

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FINAL EXAM REVIEW 2011 ____ 90. Write an equation for the translation of x 2 + y 2 = 25, 2 units right and 4 units down. a. ( x + 2) + Ê Ë Á y + 4ˆ¯˜ = 25 c. ( x + 2) + Ê Ë Á y − 4ˆ¯˜ = 25 b. ( x − 2) + Ê Ë Á y + 4ˆ¯˜ = 25 d. ( x − 2) + Ê Ë Á y − 4ˆ¯˜ = 25 ____ 91. Write an explicit formula for the sequence 7, 2, –3, –8, –13, ... Then find a 14 . a. a n = −5n + 12; –53 c. a n = −5n + 12; –58 b. a n = −5n + 7; –58 d. a n = −5n + 7; –63 ____ 92. Viola makes gift baskets for Valentine’s Day. She has 13 baskets left over from last year, and she plans to make 12 more each day. If there are 15 work days until the day she begins to sell the baskets, how many baskets will she have to sell? a. 193 baskets c. 205 baskets b. 156 baskets d. 181 baskets ____ 93. Find the 50th term of the sequence 5, –2, –9, –16, ... a. –352 b. –343 c. –338 d. –331 ____ 94. Find the arithmetic mean a n of a n − 1 = 3.9, a n + 1 = 7.1. a. 11 b. 5.5 c. 3.7 d. 1.6 Is the sequence geometric? If so, identify the common ratio. ____ 95. 6, 12, 24, 48, ... a. yes, 2 b. yes, –2 c. yes, 4 d. no Find the missing term of the geometric sequence. ____ 96. 45, , 1620, ... a. 9720 b. 51 c. 6 d. 270 ____ 97. 1250, , 50, ... a. 1200 b. 650 c. 250 d. 125 ____ 98. The sequence 15, 21, 27, 33, 39, ..., 75 has 11 terms. Evaluate the related series. a. 420 c. 210 b. 495 d. 480 Does the infinite geometric series diverge or converge? Explain. ____ 99. 1 5 + 1 10 + 1 20 + 1 40 + … a. It diverges; it has a sum. c. It converges; it has a sum. b. It diverges; it does not have a sum. d. It converges; it does not have a sum. 18
FINAL EXAM REVIEW 2011 Find the mean and standard deviation of the of data. Round to the nearest tenth. ____ 100. 62, 37, 48, 67, 44, 58, 47, 47 a. mean = 51.3; standard deviation = 9.4 b. mean = 51.3; standard deviation = 88.9 c. mean = 47.5; standard deviation = 9.4 d. mean = 47.5; standard deviation = 88.9 19
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