Find the domain of `f(x) = (x^(2)-9)/(x-3)`

Explanation

To find the domain of the function \( f(x) = \frac{x^2 - 9}{x - 3} \), we need to identify the values of \( x \) for which the function is defined. The function will be undefined where the denominator equals zero.

### Step-by-Step Solution:

1. **Identify the Denominator**:
The denominator of the function is \( x - 3 \).

2. **Set the Denominator to Zero**:
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