Concept explainers
Consider the arithmetic sequence whose first few entries are
6, 11, 16, 21, 26, 31, . . .
A . Determine the 100th entry in the sequence, and explain why your answer is correct.
B . Find an expression for the Nth entry in this sequence. and explain in detail why your expression is valid.
C . Is 1000 an entry in the sequence? If yes, which entry? if no, why not? Determine the answer to these questions in two ways: with algebra and in a way that a student in elementary school might be able to
D. is 201 an entry In the sequence? If yes. which entry? if no vhy not? Determine the answer to these questions in two ways with algebra and in a way that a student in elementary school might be able to.
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