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11 October, 03:31

If f (x) varies directly whith x, and f (x) = 56 when x = 8 find the value of f (x) when x = 2

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  1. 11 October, 03:42
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    14 coz if they varies directly tha whatever you do to x you do to f (x) so x is divided in 4 that's why f (x) is divided in 4 56/4=14
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