$\text { Find the derivative of the function } f ( x ) = 4 e ^ { x } \cos ( x ) \text {. Simplify your answer. }$

question 120

Multiple Choice

$\text { Find the derivative of the function } f ( x ) = 4 e ^ { x } \cos ( x ) \text {. Simplify your answer. }$

• A) \(4 e ^ { x } ( \cos ( x ) + \sin ( x ) )\)
• B) \(- 4 e ^ { x } \sin ( x )\)
• C) \(4 e ^ { x } \cos ( x )\)
• D) \(4 e ^ { x } \sin ( x ) \cos ( x )\)
• E) \(4 e ^ { x } ( \cos ( x ) - \sin ( x ) )\)

Understand the concept of the circadian rhythm and its effects on human behavior and physiological processes.

Describe the structure and stages of sleep and their significance.

Identify and explain disorders related to sleep and consciousness.

Understand the impact of external and internal factors on states of consciousness.

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Definitions:

Economic Profit

A firm's total revenue minus its explicit and implicit costs, representing the additional benefit above the normal rate of return.

Maximize Profits

The process or strategy employed by businesses to achieve the highest possible profit margin.

Marginal Cost Curves

Graphs that depict how the cost of producing one more unit of a good changes as production increases.

Profit Maximizing

The process or strategy of adjusting production and operation levels to achieve the highest possible profit.