Question

Calculus, limits.
http://puu.sh/rlNF
I said 5 and got wrong, why?

Answer 1

Since the dot is empty, shouldn't it be at 5?

Answer 2

wouldn't it be DNE?

Answer 3

Answer is 1 :|

Answer 4

oh.. is that cause they drew a flat line over the dot at 5 for the limit?

Answer 5

Have no idea, but the solution says that when x is approaching -1 either from the left or from the left, y is getting closer and closer of 1

Answer 6

from the left or from the right*

Answer 7

i am trying to get hero here

Answer 8

oooh, a hero emerges

Answer 9

Yes, the answer is 1. f(-1) = 5, but the limit of f(x) as x approaches -1 is 1

Answer 10

could you draw a diagram?

Answer 11

Don't confuse yourself.

Answer 12

Ohh, I got it, thanks :)