A Point P Is Moving Along a Curve Whose Equation

question 47

Multiple Choice

A point P is moving along a curve whose equation is . When P = (9, 41) , y is increasing at a rate of 2 units/s. How fast is x changing?

• A) 0.439 units/s
• B) 738 units/s
• C) 8.111 units/s
• D) 9.111 units/s
• E) 10.111 units/s

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Definitions:

Norepinephrine

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A device or software used to evaluate stress levels in a person's voice, often claimed to be useful in lie detection.

Polygraph

A device used to measure and record physiological indicators such as blood pressure, pulse, and skin conductivity while the subject is asked questions, purportedly to detect lies.

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