Question

find the sum by adding each term together. use the summation capabilities of a graphing utility to verify your result.
\\( \sum_{k=0}^{8} c \\)
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Explanation:

Step1: Identify number of terms

The index $k$ runs from 0 to 8, so there are $8-0+1=9$ terms.

Step2: Sum constant terms

When summing a constant $c$ over $n$ terms, the sum is $n\times c$. Here, $n=9$.
<Expression>$\sum_{k=0}^{8} c = 9c$</Expression>

Answer:

$9c$