Question

Asked Apr 1, 2019

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write the domain in interval notation.

f(x) = x^{2 }- 81/ x + 9

Step 1

**Interpretation:**

The given function is *x² – 81 / x + 9.*

In order to find the domain of the above function, first look for the value of *x *in which the function is undefined.

Here, the function is u...

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