Solve
-The Concentration of a Certain Gas Molecule in the Atmosphere

question 357

Multiple Choice

Solve.
-The concentration of a certain gas molecule in the atmosphere serves as an indicator of industrial air pollution. The data in the following table show the relationship of the estimated concentration of the molecule in the atmosphere, in parts per billion ( $\mathrm { ppb }$ ) , to the year.


Determine the linear, quadratic, or cubic function that best fits the data.

• A) \(f ( x ) = 0.002 x + 2.90\)
• B) \(f ( x ) = 0.00001 x ^ { 3 } - 0.003 x ^ { 2 } + 0.14 x + 2.16\)
• C) \(f ( x ) = - 0.003 x ^ { 2 } + 0.12 x + 2.19\)
• D) \(f ( x ) = - 0.002 x ^ { 2 } + 0.12 x + 2.19\)

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Definitions:

Adjusting Entries

Journal entries made at the end of an accounting period to record revenues to the period they are earned and expenses to the period incurred.

Cost of Goods Sold

The expenses directly associated with the manufacturing of products a company sells, such as materials and labor.

Customer Returns

Goods or merchandise sent back to the retailer or manufacturer by the purchaser due to defects, dissatisfaction, or other reasons.

Accounting Equation

The core formula of double-entry accounting: Assets equal Liabilities plus Equity, which shows the link between a firm's assets and the stakes held in those assets.