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Find the derivative of f(x) = negative 6 divided by x at x = 12.

0 votes
asked May 4, 2015 in PRECALCULUS by anonymous

1 Answer

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Step 1:

The function is image.

Apply derivative on each side with respect to .

image

Apply quotient rule of derivatives: .

image

image

image

image.

Step 2:

Find the derivative at image.

Substitute image in image.

image

image

image

image.

Solution:

image.

answered May 4, 2015 by Sammi Mentor

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