Use the Formula for the General Term (The Nth Term) $\mathrm { a } _ { 1 } = 4 , \mathrm { r } = 2$

question 181

Multiple Choice

Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence
with the given first term, a1, and common ratio, r.
-Find a 9 when $\mathrm { a } _ { 1 } = 4 , \mathrm { r } = 2$ .

• A) 1024
• B) 27
• C) 2048
• D) 1028

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Definitions:

Marginal Cost

The cost associated with producing one additional unit of a product, emphasizing the incremental expense in production processes.

Additional Unit

The next unit of product or service that is being considered for production or consumption.

Marginal Cost

Incremental expense incurred from the production of one additional unit of a good.

Average Total Cost

The total costs of production divided by the total output, indicating the average cost per unit of output.