What is the limit of the function as x approaches 1 on the graph?

DNE
Use the graph below to answer the question
Find 
when a = -4
-2
Why can you not use direct substitution for this limit?
The limit as x approaches 2 of
f(x)=(6x-12)/(x-2)
You get 0/0

5
Given that 

-3
Use the graph below to answer the question
Find 
when a = -1

4
The limit as x approaches 1 of
f(x)=(x-1)/(x^2-1)
1/2
The limit as x approaches 3 of
f(x)=sqrt(x+6)
3

Evaluate 
3
What is the limit as x approaches 2? 
does not exist, increases and decreases without bound.
The limit as x approaches 2 from the left of
f(x)=|x-2|/(x-2)


What is the limit as x approaches 4 from the right side?

4
Using the pictured graph, what is the limit as x approaches 0?

0
The limit as x approaches 4 of
f(x)=(x-4)/(x^2-6x+8)
1/2
Evaluate

1
Use the graph below to find the limit of the function as x approach 0 from the left

-2
According to this graph, what is the function value when x = 4 ?

4
The limit as x approaches 4 of
f(x)=(x-4)/(sqrt(x)-2)
4

0