College Algebra / Alg 250 · Atom · ~20 seconds
The Range
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The range of a function is the set of all outputs the domain actually produces.
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f(x) = x² takes in every real number but only puts out 0 and up: range [0, ∞). Squares are never negative.
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The range is earned by the domain, never assumed.
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- Nothing — this is a starting point.
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- Nothing yet depends on this.