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the graph of f is symmetric with respect to the y-axis.

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a visual way to determine if a curve is a graph of a function or not.

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an inverse function is a function that "reverses" another function

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a method of writing algebraic variables as functions of other variables.

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-the known variable
- the solution

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difference between relation and functions

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difference between relation and functions

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A relation is a set of numbers that have a relationship through the use of a domain and a range, while a function is a relation that has a specific set of numbers that causes there to be only be one range of numbers for each domain of numbers.

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a variable (often denoted by y ) whose value depends on that of another.

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A variable in a function whose value determines the value or values of other variables

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The difference between the lowest and highest values.

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The set of values of the independent variable(s) for which a function or relation is defined.