The Mathologists | Maths Tutoring on Instagram: "How to find the DOMAIN of a function 👇⁣⁣ ⁣⁣ There are really only THREE cases that you need to consider:⁣⁣ ⁣⁣ (1) Denominator of a fraction ≠ 0⁣⁣ ⁣⁣ (2) Inside of a square root ≥ 0⁣⁣ ⁣⁣ (3) Argument of a log > 0⁣⁣ ⁣⁣ For harder questions that involve two or more of these scenarios (like the example question in the video above), construct separate inequalities, then combine them together!"