MrDent Carr's Total Costs Are 2s² + 45s + 30

question 26

Multiple Choice

Mr.Dent Carr's total costs are 2s² + 45s + 30.If he repairs 15 cars, his average variable costs will be

• A)$77.
• B)$75.
• C)$150.
• D)$105.
• E)$52.50.

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Definitions:

Water Potential

Free energy of water; the water potential of pure water is zero and that of solutions is a negative value. Differences in water potential are used to predict the direction of water movement (always from a region of less negative water potential to a region of more negative water potential).

Functional Secondary Xylem

The mature, functional part of xylem that contributes to water and mineral conduction in plants, as well as structural support.

Dissolved Minerals

Dissolved minerals are inorganic substances found in water that are dissolved from natural geological sources, and are essential for various biological and ecological processes.

Heartwood

The dense, inner part of a tree trunk, giving it rigidity and strength; darker and older than the surrounding sapwood.