The Cost C of Producing T $C ( t ) = 3 t ^ { 2 } + 7 t$

question 47

Multiple Choice

The cost C of producing t units is given by $C ( t ) = 3 t ^ { 2 } + 7 t$ and the revenue R generated from selling t units is given by $R ( t ) = 4 t ^ { 2 } + t$ . For what values of t will there be a profit?

• A) \(t > 8\)
• B) \(t > 6\)
• C)\(t > 0\)
• D) \(t > 7\)

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Definitions:

Routing Test

A preliminary test used to determine a respondent's level of knowledge or ability, to direct them to an appropriate level of subsequent testing.

Basal Level

The minimum level of stimulus intensity necessary for detection or the base level of functioning in metabolic or physiological processes.

Ceiling Level

The maximum performance level beyond which a test or measurement cannot accurately assess, indicating that the test may not be challenging enough for some individuals.

Crystallized Intelligence

As identified by Raymond Cattell, learned intelligence that tends to increase over time.