Easy steps of finding the domain & range of a simple rational function

Описание: 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
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