Use the Formula for the General Term of an Arithmetic $a 18$

question 54

Multiple Choice

Use the Formula for the General Term of an Arithmetic Sequence
Choose the one alternative that best completes the statement or answers the question.
Use the formula for the general term (the nth term) of an arithmetic sequence to find the indicated term of the
sequence with the given first term, a1, and common difference, d.
-Find $a 18$ when $a _ { 1 } = 10 , d = - 1$ .

• A) \(- 7\)
• B) \(- 8\)
• C) 27
• D) 28 8

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Definitions:

Marginal Product

The supplementary yield achieved by the utilization of one additional unit of a variable factor, with all other resources remaining fixed.

Fixed Cost

Costs that do not vary with the level of production or sales, such as rent or salaries, over a relevant period.

Variable Cost

Refers to expenses that vary directly with the level of production or output, such as raw materials and labor costs.

Total Cost

The full price of manufacturing that incorporates both stable and changing expenses.