Show that the function l(x) := 1/(1 + x 2 ) for x e lR is uniformly continuous on R.

Chapter15-Unemployment Employed:paidemployees,self-employed,andunpaidworkersinafamilybusiness Unemployed:peoplenotworkingwhohavelookedforworkduringprevious4weeks Notinthelaborforce:everyoneelse Laborforce-thetotalnumberofworkers,includingtheemployedandunemployed Unemploymentrate(“u-rate”):percentofthelaborforcethatisunemployed # = 100 ∗ Theu-rateisnotaperfectindicatorofjoblessnessofthehealthofthelabormarket: Itexcludesdiscouragedworkers It