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Why the range of f(x)=√(9-x^2) is …

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Why the range of f(x)=√(9-x^2) is [0,3] ? It should be [-3,3] because answer of root will be positive and negative both. help if u know

    • Posted by Dev ..... 5 years, 3 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Aditya Sharma 5 years, 3 months ago

    √9–x² Domain: 9–x² > 0 (3+x)(3–x)>0 Domain belongs to [–3,+3] RANGE: –3<x<+3 [0,3]

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