Singh Domain/Range

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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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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.

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The domain is all real numbers except x = 0, or in interval notation: (-∞, 0) U (0, ∞).

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The range is all non-negative real numbers, or in interval notation: [0, ∞).

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The domain is all real numbers except x = 3, or in interval notation: (-∞, 3) U (3, ∞).

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The range is all real numbers, or in interval notation: (-∞, ∞).

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The domain is all non-negative real numbers, or in interval notation: [0, ∞).

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The range is all real numbers less than or equal to 0, or in interval notation: (-∞, 0].

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The domain is all positive real numbers, or in interval notation: (0, ∞).

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The range is all real numbers, or in interval notation: (-∞, ∞).