For the function $f$ whose graph is shown, state the following. (If the limit is infinite, enter '$\infty$' or '-$\infty$', as appropriate. If the limit does not otherwise exist, enter DNE.)
Figure
Description
y
x
-8
-6
-4
-2
2
4
6
(a) $\lim_{x \to -7^-} f(x)$
(b) $\lim_{x \to -7^+} f(x)$
(c) $\lim_{x \to -7} f(x)$
(d) $\lim_{x \to 0^-} f(x)$
(e) $\lim_{x \to 0^+} f(x)$
(f) The equations of the vertical asymptotes (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)
x =
