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3 April, 23:02

Find the range of f (x) = - x + 4 for the domain (-3,-2,-1,1).

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  1. 3 April, 23:24
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    The domain: D={-3; -2; -1; 1}

    f (x) = - x + 4

    subtitute

    f (-3) = - (-3) + 4 = 3 + 4 = 7

    f (-2) = - (-2) + 4 = 2 + 4 = 6

    f (-1) = - (-1) + 4 = 1 + 4 = 5

    f (1) = - 1 + 4 = 3

    Answer: The range: {3; 5; 6; 7}
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