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## Rational Functions

A rational function can have a variable like "x" in the numerator AND the denominator. When this happens, there are some special rules and properties to consider.

# Square Roots

Evaluate

$\sqrt{ 25 } .$

Which of the following is the square root of 144?

What is the square root of 1?

What is the square root of 9?

The square root of a number $$X$$ is 4. What is $$X$$?

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