How to find the domain & range of simple rational functions

How do we find the domain and range of a rational function in the form of f(x)=(ax+b)/(cx+d). In fact, this here isn't too bad! We will quickly go over 3 examples, and then see why this shortcut works! 0:00 Finding the domain and range of a simple rational function 3:27 Why this shortcut works ----------------------------- Get your "algebra" t-shirt 👉 https://amzn.to/3A8Ed4k Shop my math t-shirts & hoodies on Amazon: 👉 https://amzn.to/3qBeuw6 ----------------------------- I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉   / blackpenredpen  . (Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you!) ----------------------------- #math #algebra #mathbasics