Is it No, F is not continuous function of r? help help! well, since i think that there's a space between this fuction...it's no?

i also checked these 2 sites: @ yahoo

Calculus + Continuous Functions? - Yahoo! Answers

Limit continuity concept question? - Yahoo! Answers

can't really decide since it's 50% each. but i'm going for the no since there seems to be a gap! help