Function Flashcard Review

Front

What is the definition of Domain in a function?

Back

The set of all possible input values (x-values) for a function.

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What is the definition of Range in a function?

Back

The set of all possible output values (y-values) for a function.

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What is the Vertical Line Test?

Back

A method to determine if a graph represents a function; if a vertical line intersects the graph at more than one point, it is not a function.

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What is the Horizontal Line Test?

Back

A method to determine if a function is one-to-one; if a horizontal line intersects the graph at more than one point, the function is not one-to-one.

Front

What is a function?

Back

A relation where each input (x) has exactly one output (y).

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Front

What does it mean if a function is not defined at a certain point?

Back

It means that the function does not have a valid output for that input value.

Front

What is the difference between a function and a relation?

Back

A function is a specific type of relation where each input is associated with exactly one output.

Front

What is the significance of the coefficients in a quadratic function?

Back

They determine the shape and position of the parabola represented by the function.