arrow_back Consider the following sigma notation and answer the following questions. \[ \sum_{k=7}^{17}(-2 k+14) \]

Question

Consider the following sigma notation and answer the following questions.
\[
\sum_{k=7}^{17}(-2 k+14)
\]
(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?

Answer 1

 

\(\sum_{k=7}^{17}(-2 k+14)\)

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

(b) First three terms:
\(0 ;-2 ;-4\)

(c) General term:
\(-2 k+14\)