# arrow_back Consider the following sigma notation and answer the following questions. $\sum_{k=4}^{12}(k+15)$

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Consider the following sigma notation and answer the following questions.
$\sum_{k=4}^{12}(k+15)$
(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?

$\sum_{k=4}^{12}(k+15)$

(a) What is the starting value of $k$ ? $k=4$

(b) First three terms:
$19 ; 20 ; 21$

(c) General term:
$k+15$
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