Let $z = e ^ { x } \sin y$ , and Let

question 258

Multiple Choice

Let $z = e ^ { x } \sin y$ , and let $x$ and $y$ be functions of $S$ and $t$ with $x ( 0,0 ) = 0 , y ( 0,0 ) = 0$ , $\delta x / \delta s = 3$ , and $\delta y / \delta s = 4$ at $( s , t ) = ( 0,0 )$ . Find $\delta z /\delta\text { s }$ when $( s , t ) = ( 0,0 )$ .

• A)0
• B)1
• C)2
• D)3
• E)4
• F)5
• G)6
• H)7

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