SOLUTION: Find the derivative of f(x) = negative 11 divided by x at x = 9. (2 points) choices below 11 divided by 9 81 divided by 11 9 divided by 11 11 divided by 81

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Question 1138514: Find the derivative of f(x) = negative 11 divided by x at x = 9. (2 points)
choices below
11 divided by 9

81 divided by 11

9 divided by 11

11 divided by 81
Answer by MathLover1(20850) About Me  (Show Source):
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Find the derivative of f%28x%29+=+-11%2Fx at x+=+9
%28d%2Fdx%29f%28x%29+=+11%2Fx%5E2
at x+=+9 will be
%28d%2Fdx%29f%28x%29+=+11%2F9%5E2
%28d%2Fdx%29f%28x%29=+11%2F81