Rational Functions Expressions Domain

Identify the vertical asymptotes of the following function

• y=1

• y=0

• x=3

  x=-2

• x=2

  x=4

What is the domain and range?

What are the asymptotes?

• x = -3        y = 1  

• x = 3         y = 1

• x = -3        y = -1

• x = 3         y = -1

Which of the following represents the graph below?

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Find the domain of the function. f(x)=\frac{x^3}{x+8}

• x cannot equal to 8

• x cannot equal to 0

• x cannot equal to -8

• All real numbers

Find the domain of the function. f(x)=\frac{x^3}{x+8}

• x cannot equal to 8

• x cannot equal to 0

• x cannot equal to -8

• All real numbers

What is the domain and range?

Solve by cross-multiplying

• x = 6

• x = -6

• x = 6/7

• x = -6/7

Solve by cross-multiplying.

• x = 2

• No Solution

• x = -10

• x = 10

What is an asymptote?

• an imaginary line that your function never touches

• a part of your function

• a point on your graph

• a type of fruit