PC FA24 Flashcardizz #1

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What is the RANGE of a function?

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The RANGE of a function is the set of all possible output values (y-values) that the function can produce based on its domain.

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What is the DOMAIN of 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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How do you determine the RANGE of a function from its graph?

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To determine the RANGE from a graph, identify the lowest and highest points on the y-axis that the graph reaches.

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How do you determine the DOMAIN of a function from its graph?

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To determine the DOMAIN from a graph, identify the x-values for which the graph exists, avoiding any vertical asymptotes or holes.

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What is the significance of the square root in a function?

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The square root function is defined only for non-negative values, which affects the domain of the function.

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What does it mean for a function to be undefined at a certain point?

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A function is undefined at a certain point if there is no output value for that input, often due to division by zero or taking the square root of a negative number.

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The range is all real numbers, as it is a linear function.