Unit One Review Limits

What is the left hand limit of the function as a approaches 1 from the graph?

• 3

• 4

• 5

• -1

What is the right hand limit of the function as a approaches 1 from the graph?

• 3

• 4

• 5

• -1

Does the limit of the f(x) exists?

• The limit EXIST.

• The limit DOES NOT EXIST.

Find the limit of  $\lim_{x\rightarrow4^-}\sqrt{x+5}$  

• 0

• Undefined

• 3 
  

•  $-1$  
  

Find the limit of  $\lim_{x\rightarrow0^+}2x-1$  

• 0

• Undefined

•  $-\frac{2}{3}$  
  

•  $-1$  
  

Find the limit of

 $\lim_{x\rightarrow2^+}3x+1$  

• 7

• 6

• 4

• 10

• 0/0
• DNE
• -1/4
• 1/4

• 0
• ∞
• - ∞
• DNE

in what value of x does the following function is discontinuous?

• 3

• -3

• 6

• -6

Does the following function is continuous at x=0?

• Continuous

• Discontinuous