Solve the Problem $C ( x )$ (In Dollars) to Produce $x$

question 63

Multiple Choice

Solve the problem.
-If the average cost per unit $C ( x )$ (in dollars) to produce $x$ units of plywood is given by $C ( x ) = \frac { 1200 } { x + 40 }$ , what is the unit cost for 40 units?

• A) \(\$ 15.00\)
• B) \(\$ 0.75\)
• C) \(- \$ 10.00\)
• D) \(\$ 30.00\)

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Definitions:

Concurrent Validity

A measure of how well a particular test correlates with a previously validated measure.

Contextual Validity

The appropriateness of research or assessment methods and conclusions within the specific context they are applied.

Face Validity

The extent to which a test is subjectively viewed as covering the concept it purports to measure, often assessed through its appearance to non-experts.

Predictive Validity

The extent to which a score on a test or measurement accurately predicts future performance on a related task or behavior.