Graphs Rational Functions

What is the hole?

• x= 4

• x= -4

• x= 5

• x= -5

What is the Vertical Asymptotes? 

• x= -5

• x= 5

• x= 6

• x= -6

Which asymptote(s) are determined by looking at the denominator?

• vertical

• horizontal

• slant

• none

What creates a hole in the graph of a rational function?

• Crossing the x-axis

• An absence of dirt.

• Crossing a vertical asymptote.

• A factor that cancels out.

What is the domain and range?

• D : All real number x ≠ -3
  R: All real number y≠ 1

• D : All real number x ≠ 1
  R: All real number y≠ -3

• D : All real number x ≠ 3
  R: All real number y≠ 1

• D : All real number x ≠ -1
  R: All real number y≠ 3

What is the end behavior of the graph?  

• The functions domain is All Reall #s
• There is a vertical asymptote at  y = −2
• There is a vertical asymptote at  x = −2
• The function is reflected across the x-axis

• All Real #s;  x ≠ 1
• All Real #s;  y ≠ −1
• All Real #s;  y ≠ 1
• All Real #s;  x ≠ −1

• A
• B
• C
• D

Without using a graphing utility, which of the following could be the equation of the graphed function?