Here is the problem f(x) = sqrt(4x + 9)

then f' (x) = ?

Here is what I did:

1/2 d/dx[4x+9]^-1/2

1/(2*sqrt(4x+9))

This is where I get stuck.

Please give me a push.

Thank you!

Keith

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- August 25th 2007, 08:45 AM #1

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- August 25th 2007, 08:51 AM #2

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