Jawaban A.16.1.

\(\bigcap_{x\gt0}(0,x)=\emptyset\text{,}\) \(\bigcup_{x\gt0}(0,x)=(0,\infty)\text{,}\) \(\bigcap_{x\gt0}[0,x]=\{0\}\text{,}\) dan \(\bigcup_{x\gt0}[0,x]=[0,\infty)\text{.}\)
in-context