Solve the Problem $$a _ { n } = 0.16 n ^ { 2 } - 1.06 n + 7.25$$

question 207

Multiple Choice

Solve the problem.
-The finite sequence whose general term is $$a _ { n } = 0.16 n ^ { 2 } - 1.06 n + 7.25$$
where $\mathrm { n } = 1,2,3 , \ldots , 9$ models the total operating costs, in millions of dollars, for a company from 1991 through $1999 .$
Find $\sum _ { i = 1 } ^ { 5 } a _ { i }$

• A) \(\$ 29.15\) million
• B) \(\$ 31.75\) million
• C) \(\$ 23.2\) million
• D) \(\$ 25.4\) million

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