(i) Let f(x)=1/(x-2)f(x)=1/(x-2) for x≠2x\neq 2. Then for b≠2b\neq 2;
(ii) Let g(x)=xg(x)=\sqrt{x} for x>0x>0. Then g(x)→0g(x)\rightarrow 0 as x→0+x\rightarrow 0+.