Find the Directional Derivative of the Function at the Point

question 33

Multiple Choice

Find the directional derivative of the function at the point in the direction of the unit vector that makes the angle with the positive x-axis.

• A)1
• D)11

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Definitions:

Tone

The quality or character of sound, or the attitude expressed in writing or speech, conveyed through the choice of words and style.

Air Puff

A method often used in psychological experiments to deliver a quick burst of air as a stimulus or to measure blink reflexes.

Conditioned Response

A response that is taught in reaction to a stimulus that was once neutral but has become linked with a stimulus that naturally evokes a response.

Unconditioned Response

An automatic, natural response to a stimulus that occurs without the need for learning.