Identify all singular points and points of discontinuity of the given function. (Enter your answers as comma-separated lists. If an answer does not exist, enter DNE.) g(x) =    9 − x     if x ≤ 9 x − 9 if x > 9 singular points x=     points of discontinuity x=

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Q: 2. Find the domain and range of the following function: у %3D 12 — х— х?

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