Rational Functions Domain

What is the domain and range of the parent rational function?

What is the domain and range of this rational function?

Find the domain for the function. f(x)= 2x -1 / 3x + 6

• x cannot equal to 2

• x cannot equal to -2

• x cannot equal to 3

• All real numbers

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

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?

Identify the domain and range of the function:

Identify the domain and range of the function:

How can you find the domain of a Rational Function?

• By finding the range

  of the numerator

• By factoring the numerator and

  denominator

• By multiplying by the

  reciprocal of the denominator

• The domain is always ALL REAL

  NUMBERS

What is the domain of the rational function?