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9 March, 10:47

For which pairs of functions is (fog) (x) = 12x?

f (x) = 3 - 4x and g (x) = 16x - 3

f (x) = 6x2 and g (x) = 2/x

f (x) = √x and g (x) = 144x

f (x) = 4x and g (x) = 3x

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  1. 9 March, 14:09
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    f (x) = 4x and g (x) = 3x

    (fog) (x)

    you need take value of g (x), 3x, and put 3x instead of x in f (x) function

    (fog) (x) = 4 * (3x) = 12x
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