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26 January, 11:07

The range of the function f (x) = x 5 is {7, 9}. what is the function's domain

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  1. 26 January, 12:30
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    F (x) = x + 5

    x = f (x) - 5

    Range = {7, 9}, then range = {7 - 5, 9 - 5} = {2, 4}
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