what is the domain and range for the function f(x) = x2 + 4x – 21?

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what is the domain and range for the function f(x) = x2 + 4x – 21?

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    2021-10-14T00:01:44+00:00

    Answer:

    Domain: (−∞,∞),{x|x∈R}

    Range: [−25,∞),{y|y≥−25}

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