Evaluate each limit. 5) lim f(x), f(x) = x-90 {x+1,xst0 2+-,x$3 2, x=O 6) lim f(x), f(x)= 2it ' t' ' / ', ,./ fi .' J/ '/ Critical thinking questions: 15) Give an example of a limit of a rational function where the limit at -1 exists, but the rational function is undefined at -1. i 1 fl -4f' 16) Give two values of a where the limit cannot be solved using direct evaluation. Give one value of a where the limit can be solved using direct evaluation. . x lim -- x-m 1 1 .-.-..- + .- --2 + x 2