Differentials Question
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Differentials Question

[From: ] [author: ] [Date: 12-02-11] [Hit: ]
finally giving me (5/2)*(3)^(-1/2)*(0.2). Im not sure what to do for #1, though.-1 asks you to find y(3.2) - y(3).......
Let y = 5*sqrt(x),

1) Find the change in y, delta y when x =3 and delta x = 0.2

2) Find the differential dy when x = 3 and dx = 0.2

I found the answer for #2 just fine by deriving the function, finally giving me (5/2)*(3)^(-1/2)*(0.2). I'm not sure what to do for #1, though.

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1 asks you to find y(3.2) - y(3)...and then #2 will show how ' close ' the answers are
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