Find the domain of the following rational function.\ R(x) = frac{8(x^2 - x - 72)}{9(x^2 - 81)}\ Select the correct choice below and fill in any answer boxes within your choice.\ A. The domain of R(x) is {x | oxed{ }}.\(Type an inequality. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.)\B. The domain of R(x) is the set of all real numbers.
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Step 1: Identify the values that would make the denominator of the rational function equal to 0. Show more…
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