A graph of y = f(x) is shown and a c-value is given. Use the graph to find the following, whenever they exist. (If the limit is infinite, enter '' or '-', as appropriate. If the limit does not otherwise exist, enter DNE.) c = 20
f(x)
10
10
20
30
?
(a) lim f(x) as x approaches 10
Well done.
(b) f(20)
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