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Consider the following sigma notation and answer the following questions.
$\sum_{k=7}^{19}(3 k+2)$
(a) What is the starting value of $\mathrm{k}$ ?
(b) Give the first three terms in the expansion of the series.
(c) What is the general term?
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$\quad \sum_{k=7}^{19}(3 k+2)$

(a) What is the starting value of $\mathrm{k}$ ? $k=7$

(b) First three terms:
$23 ; 26 ; 29$

(c) General term:
$3 \mathrm{k}+2$
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