State the domain of its derivative. Find the derivative of the function using the definition of derivative. \\ f (x) = \frac {9 + x} {1 - 9x} \\ State the domain of the function.\\. State the

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The calculation of the derivation domain is thus composed of 2 steps: Step 1: Calculate the derivative of the function. Step 2: Calculate the definition domain of the derivative calculated at

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The domain of a function can be a subset of the real numbers, the complex numbers, or any other set of numbers. The domain of a derivative function is the set of all values for which the

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