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Algebra Level 2

If a function \(f(x)\) has these two properties for any real number \(x\) and \(y\)

\(\mathbf{1.} f(xy)=xf(y) \\ \mathbf{2.} f(1)=25 \)

What is the value of \(f(79)\) ?

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by Abdullah Shahriar

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