What is the domain of the function f(x) = sqrt(x-3) / (x-5)?
✓ Correct Answer: Option C
For the square root to be defined, x - 3 >= 0, so x >= 3. For the denominator not to be zero, x - 5 != 0, so x != 5. Combining these, the domain is x >= 3 and x != 5.