Mathematics, 25.07.2019 16:40, jan1829

If f(x) varies directly with x2, and f(x) = 75 when x = 5, find the value of f(4). 25 48 50 100

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If f(x) varies directly with x2, and f(x) = 75 when x = 5, find the value of f(4). 25 48 50 100...