Question: Use a graph of the sequence to decide whether the sequence is convergent or divergent. If the sequence is convergent, guess the value of the

Use a graph of the sequence to decide whether the sequence is convergent or divergent. If the sequence is convergent, guess the value of the limit from the graph and then prove your guess. (See the margin note on page 699 for advice on graphing sequences.)

п an = (-1)

an = (-1)" +1

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