Precalculus Final Exam

Front

What is the definition of tangent in terms of sine and cosine?

Back

Front

What does it mean for a root to have a multiplicity of 2?

Back

A root has a multiplicity of 2 if it is a solution to the polynomial equation that appears twice, indicating that the graph touches the x-axis at that point but does not cross it.

Front

Back

Front

How do you evaluate a function at a specific point, such as f(2)?

Back

To evaluate f(2), substitute 2 into the function's expression and simplify.

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Back

Front

What is the Pythagorean identity involving sine and cosine?

Back

Front

What is the definition of a polynomial function?

Back

Front

What is the difference between a rational function and a polynomial function?

Back

A rational function is a ratio of two polynomials, while a polynomial function is a single polynomial.

Front

What is the quadratic formula used for?

Back

Front

What is the definition of a function's domain?

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.