Check if all values are attainable: at \(\sin x = 1\), \(f = rac{2+3}{1+2} = rac{5}{3}\), at \(\sin x = -1\), \(f = rac{-2+3}{-1+2} = rac{1}{1} = 1\). Intermediate values follow continuously.

Mon, 04 May 2026 10:12:26 +0000

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