Precalculus rational function: The domain is easy but how about the range

Precalculus tutorial on finding the domain and range of a rational function without using calculus. ------------------ 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  . Or shop for math t-shirts & hoodies 👉 https://amzn.to/3qBeuw6 Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you! ------------------ #math #algebra #mathtutorials