Alg 1 Module 5 Vocabulary - Functions

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Absolute Value

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A function that contains an absolute value expression.

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constant function

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A constant function is written in the form y = b, where b is a constant.

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Continuous Domain

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A set of input values that consists of all numbers in an interval.

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dependent variable

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The variable that represents the output values of a function.

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Discrete Domain

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The set of input values that consists of only certain numbers in an interval.

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Domain

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The set of possible input values of a function.

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Family of Functions

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A group of functions with similar characteristics.

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function

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A relation that pairs each input with exactly one output.

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Function Notation

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Another name for y, denoted as f(x) and read as 'the value of f at x' or 'f of x'.

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Horizontal Shrink

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A transformation that causes the graph of a function to shrink toward the y-axis when all the x-coordinates are multiplied by a factor a, where a > 1.