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28 September, 00:21

Functions f (x) and g (x) are both increasing. In addition, the range of g is in domain of f. Prove that composite function f (g (x)) is increasing

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  1. 28 September, 00:55
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    F: D - > E;

    g: F - > G, where, g (F) is in D;

    Let be x1, x2 ∈ F, with x1 < x2;

    But, g (x1) f (g (x1)

    f (g (x) is increasing.
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