Express the Sum Using Summation Notation $$a _ { n } = 0.11 n ^ { 2 } - 1.06 n + 7.29$$

question 31

Multiple Choice

Express the sum using summation notation. Use a lower limit of summation not necessarily 1 and k for the index of summation.
-The finite sequence whose general term is
$$a _ { n } = 0.11 n ^ { 2 } - 1.06 n + 7.29$$
where $n = 1,2,3 , \ldots , 9$ models the total operating costs, in millions of dollars, for a company from 1991 through $1999 .$
Find $\sum _ { \mathrm { i } = 1 } ^ { 5 } \mathrm { a } _ { \mathrm { i } }$

• A) \(\$ 26.6\) million
• B) \$31.7 million
• C) \$21.86 million
• D) \(\$ 25.36\) million

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Definitions:

Quality Control

Procedures and standards implemented to ensure that products or services meet specific requirements and are of consistent quality.

Cost Element

A component that categorizes costs according to their nature, involved in the cost accounting process to allocate expenses accurately.

Office Salaries

Expenses related to the wages and salaries of administrative and managerial staff in an office setting.