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    IBEasyFunctions10–12

    Domain and Range

    Domínio e Contradomínio

    Find the domain and the range of f(x)=x−3f(x) = \sqrt{x - 3}.

    The expression inside the square root must be ≥0\ge 0.

    Solution

    Step 1 of 4

    1. 1.x−3≥0x - 3 \ge 0