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Precalculus (MindTap Course List)
- Finding the nth Term In Exercises 21-30, find a formula for an for the arithmetic sequence. 4,32,1,72,...arrow_forwardFinding the nth Term of a Sequence In Exercises 5-8, write an expression for the apparent nth term (an ) of the sequence. (Assume that n begins with 1.) 1,12,13,14,15.....arrow_forwardGraphing the Terms of a Sequence In Exercises 27-32, use a graphing utility to graph the first 10 terms of the sequence. (Assume that n begins with 1.) an=80.75n1arrow_forward
- Determining Whether a Sequence Is Arithmetic In Exercises 5-12, determine whether the sequence is arithmetic. If so, find the common difference. 12,22,32,42,52,....arrow_forwardWriting the Terms of a Sequence In Exercises 7-22, write the first five terms of the sequence. (Assume that n begins with 1.) an=4n7arrow_forwardDetermining Whether a Sequence Is Geometric In Exercises 39-42, determine whether the sequence is geometric. If so, find the common ratio. 2,6,18,54,162,...arrow_forward
- Determining Whether a Sequence Is Arithmetic In Exercises 5-12, determine whether the sequence is arithmetic. If so, find the common difference. ln1,ln2,ln4,ln8,ln16,...arrow_forwardFinding a Formula for a Finite Sum In Exercises 69-72, find a formula for the sum of the first n terms of the sequence. Prove the validity of your formula. 68, 60, 52, 44, . . .arrow_forwardWriting the Terms of a Sequence Involving Factorials In Exercises 59-62, write the first five terms of the sequence. (Assume that n begins with 0.) an=5n!arrow_forward