Let $z = \sin ( x y )$ , and Let $x$

question 119

Multiple Choice

Let $z = \sin ( x y )$ , and let $x$ and $y$ be functions of $t$ with $x ( 1 ) = 0 , y ( 1 ) = 1 , x ^ { \prime } ( 1 ) = 2 , \text { and } y ^ { \prime } ( 1 ) = 3$ . Find $d z / d t$ when $t = 1$ .

• A)0
• B)1
• C)2
• D)3
• E)4
• F)5
• G)6
• H)12

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Definitions:

Postprandial

Pertaining to the period after a meal, often used in the context of blood glucose levels.

Pyloric Sphincter

A muscle that regulates the passage of food from the stomach to the small intestine.

Gavage

The process of feeding a person or animal through a tube.

Emesis

The act of vomiting, or ejecting stomach contents through the mouth.