Modeling with rational functions

See some examples of how rational functions and equations can come in handy when solving real-world word problems.

Analyzing structure word problem: pet store (1 of 2)

Analyzing structure word problem: pet store (2 of 2)

Rational equations word problem: combined rates

Rational equations word problem: combined rates (example 2)

Rational equations word problem: eliminating solutions

Reasoning about unknown variables

Reasoning about unknown variables: divisibility

Structure in rational expression