Determine the limit, if one exists, for each sequence given (write the limit- without proving with (epsilon) definition 3.2)
(a) f(n) = 1/n²
(b) f(n)=2+[(-1)" (1/n)]
(c) f(n)= n/(3n+2)
(d) f(n)=-n²
(e) f(n) = (n²+2n+1)/(n+1)
(f) f(n)=5+1/n
(g) f(n)=5-1/n