Section 4.3
Quiz 6.1 		Question: Identify the vertical asymptotes for the following function:
f (x)  =   x – 7
x2 + x

 		 
    x = –1
x = 0
none
x = –7
x = –1, x = 0
x = 7
x = 1
x = 0, x = 1
 
  Variations: Identify the vertical asymptotes for the following function:
f (x)  =   x + 4
x2 – x

 		 
    x = 0, x = 1
x = –1
x = –1, x = 0
x = 1
x = 0
x = 4
none
x = –4
 
    Identify the vertical asymptotes for the following function:
f (x)  =   x + 5
x2 + 4

 		 
    x = –5
x = –2
x = 5
x = 2
none
x = –2, x = 2
 
    Identify the vertical asymptotes for the following function:
f (x)  =   x – 6
x2 – 1

 		 
    x = –1, x = 1
x = –6
x = –1
x = 1
none
x = 6