Problem 2 - Section 2.2 2 a) Let f (3:) = LET5. Find each limit and use 00 and 00 when appropriate. Show all m _ work. i) liIn f(:1:) 11)1 ii) lim f (.71) :1:)1+ 111) 3311 as) b) A drug is administered to a patient through an injection. The drug concentration (in mil- ligrams/mililiter) in the bloodstream 15 hours after the injection is given by a model. Consider the two models below: _ 4t2(t + 3) _ 41:30: + 3) B\") _ t3 + 200 O\") _ t3 + 200 i) Find an interpret lim 305). Use complete sentences. tmo ii) Find an interpret tlirn (705). Use complete sentences. )oo