$\text { Given } f ( x , y ) = x \cos y \text {, use the total differential to approximate } \Delta z \text { at } ( 2,4 )$ towards $( 2.4,1.05 )$ . Round your answer to four decimal places.
A)-35.7266
B)30.5500
C)17.2734
D)15.5468
E)-4.7266

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The Answer of $\text { Given } f ( x , y ) = x \cos y \text {, use the total differential to approximate } \Delta z \text { at } ( 2,4 )$ towards $( 2.4,1.05 )$ . Round your answer to four decimal places.
A)-35.7266
B)30.5500
C)17.2734
D)15.5468
E)-4.7266

Given f(x,y)=xcos⁡y, use the total differential to approximate Δz at (2,4)\text { Given } f ( x , y ) = x \cos y \text {, use the total differential to approximate } \Delta z \text { at } ( 2,4 ) Given f(x,y)=xcosy, use the total differential to approximate Δz at (2,4)

$\text { Given } f ( x , y ) = x \cos y \text {, use the total differential to approximate } \Delta z \text { at } ( 2,4 )$