Let (u: mathbb{R} ightarrow mathbb{R}) be measurable. Which of the following functions are measurable: (u(x-2)) (e^{u(x)}), (sin
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Let \(u: \mathbb{R} ightarrow \mathbb{R}\) be measurable. Which of the following functions are measurable:
\(u(x-2)\)
\(e^{u(x)}\),
\(\sin (u(x)+8)\),
\(u^{\prime \prime}(x)\),
\(\operatorname{sgn} u(x-7) ?\)
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