Find the following. (If the limit is infinite, enter 'infty' or '-infty', as appropriate. If the limit does not otherwise exist, enter DNE.)
(a) lim_{x o 1^-} f(x)
(b) lim_{x o 1^+} f(x)
(c) lim_{x o 1} f(x)
(d) lim_{x o 4} f(x)
(e) f(4)
Find the following. If the limit is infinite, enter 'infty' or '-infty' as appropriate. If the limit does not otherwise exist, enter DNE.
(a) lim f(x)
(b) lim f(x)
(c) lim f(x)
(d) lim f(x)
(e) f(4)