Function Features

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The graph is decreasing on the interval (1,4).

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The function is increasing on the interval (−∞, 2).

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What does the term 'y-intercept' mean?

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The y-intercept is the value of y when x is 0, representing where the graph intersects the y-axis.

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What is the definition of 'domain' in a function?

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

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What is the definition of 'end behavior' in graphing functions?

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End behavior describes how the values of a function behave as the input values approach positive or negative infinity.

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What does it mean for a function to be 'increasing'?

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A function is increasing on an interval if, as x increases, the value of the function also increases.

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What does it mean for a function to be 'decreasing'?

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A function is decreasing on an interval if, as x increases, the value of the function decreases.