Find the function — task. Mathematics State Board, Class 10.

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Let \(f(x) = 2x + 5\). If \(x\) \(\ne\) \(0\) then find \(\frac{f(x + 43) - f(43)}{x}\).

\(\frac{f(x + 43) - f(43)}{x}\) \(=\)

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9. Find the function