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# Just MARK some questions down
Contents
- Mathematical Analysis
- Measure Theory
- Matrix Analysis
- Real Analysis
- Functional Analysis
- Mathematical Analysis
- Measure Theory
1.[2014-08-12] $g$ is a real function on a closed interval $\left[ {a,b} \right]$ and $c \le g\left( x \right) \le d$ where $c,d \ne \pm \infty $. Let $H = \left\{ {x \in \left( {a,b} \right):g‘\left( x \right){\rm{ ~exists~ and ~}}g‘\left( x \right) \ne 0} \right\}$. If $E \subseteq \left[ {c,d} \right]$ and $m\left( E \right) = 0$ where $m$ is Lebesgue measure, then does $m\left( {{g^{ - 1}}\left( E \right) \cap H} \right) = 0$? How about $c = - \infty $ & $d = \infty $?
- Matrix Analysis
- Real Analysis
- Functional Analysis
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