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16 March, 18:57

If f (x) = 3 (x+5) + 4/x, what is f (a+2) ?

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  1. 16 March, 19:08
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    We replace all x with a+2

    3 (a+2+5) + 4/a+2

    3 (a+7) + 4/a+2
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