Rational Functions Domain

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

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain and range of this rational function?

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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?

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Identify the domain and range of the function:

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Identify the domain and range of the function:

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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?