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Checking Basic Concepts
Sections 11.1 and 11.2

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1. Give graphical and numerical representations of the sequence defined by Include the first six terms.

2. Determine if the sequence is arithmetic or geometric. If it is arithmetic, state the common difference; if it is geometric, give the common ratio.

    a.

    b.

    c.

3. Determine if the series is arithmetic or geometric. Use a formula to find its sum.

    a.

    b.

    c.

    d.

4. Write each series in the previous exercise in summation notation.

5. Use properties of summation notation to find the sum. Support your results with a graphing calculator.

    a.

    b.

 



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