Let $z = x y$ , and let $x$ and $y$ be functions of $t$ with $x ( 1 ) = 1 , y ( 1 ) = 2 , x ^ { \prime } ( 1 ) = 3 \text {, and } y ^ { \prime } ( 1 ) = 4$ . Find $d z / d t$ when $t = 1$ .
A)5
B)6
C)7
D)8
E)9
F)10
G)11
H)12

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Quizplus · Accepted Answer

The Answer of Let $z = x y$ , and let $x$ and $y$ be functions of $t$ with $x ( 1 ) = 1 , y ( 1 ) = 2 , x ^ { \prime } ( 1 ) = 3 \text {, and } y ^ { \prime } ( 1 ) = 4$ . Find $d z / d t$ when $t = 1$ .
A)5
B)6
C)7
D)8
E)9
F)10
G)11
H)12

Let z=xyz = x yz=xy , and Let xxx And yyy Be Functions Of

Let $z = x y$ , and Let $x$ And $y$ Be Functions Of