Determine the domain of the function $$k(x) = \frac{3x + 7}{...

Question Analysis
This problem assesses the ability to factor the denominator and identify the values that make it zero.

Key Concept Explanation
The domain of a rational function excludes values that make the denominator zero. For the function , the denominator can be factored as , and the values that make it zero are and .

Step-by-step Solution
1. Factor the denominator: