Find the Rate of Change of the Function $f ( x ) = - x + \cos x$

question 80

Multiple Choice

Find the rate of change of the function $f ( x ) = - x + \cos x$ .

• A) \(- \sin x + 1\)
• B) \(\sin x - 1\)
• C) \(- \sin x - 1\)
• D) \(- \sin x - x\)
• E) \(\sin x + 1\)

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Definitions:

Opportunity Cost

The cost of forgoing the next best alternative when making a decision or choice.

Specialize

The process of concentrating on and becoming expert in a particular subject or skill, often used in the context of labor and production.

Produce

Produce generally refers to agricultural products, especially fresh fruits and vegetables, harvested for human consumption.

Lower Cost

A situation or strategy in which the production or offering of goods and services is achieved with minimal expense.