The Thoroughbred Bus Company Finds That Its Monthly Costs for One

question 5

Multiple Choice

The Thoroughbred Bus Company finds that its monthly costs for one particular year were given by $C ( t ) = 100 + t ^ { 2 }$ dollars after t months. After t months, the company had $P ( t ) = 1,000 + t ^ { 2 }$ passengers per month. How fast was its cost per passenger changing after 4 months Round your answer to the nearest cent.

• A)$0.29 per month
• B) $0.01 per month
• C) -$0.21 per month
• D) $0.46 per month
• E) $0.07 per month

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Definitions:

Psychosocial Adjustment

The process of adapting to and coping with interpersonal and societal expectations and pressures.

Altruism

Behavior intended to help others out of inner concern and without expectation of external reward; may involve self-denial or self-sacrifice.

Conscientious

A personality trait characterized by being thorough, careful, or vigilant; implies a desire to do a task well.

Risk Taker

An individual who is willing to engage in behaviors that have the potential for significant loss or gain.