SOLUTION: If f(x) varies directly with x^2, and f(x) = 75 when x = 5, find the value of f(4).

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Question 841441: If f(x) varies directly with x^2, and f(x) = 75 when x = 5, find the value of f(4).
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
for some constant k



Therefore .