Domain Rational

Determine the excluded value.

• x = 6

• x = 0

• x = -6

• x = -6, 9

Determine the excluded values.

• x = 0

• x = 2, 6

• x = -2, -6

• x = 0, -2, -6

What is an excluded value?

• A value that makes the denominator equal to 0

• A number that makes the numerator equal to 0

• The solution

• An ostracized number

What is the non-permissible value of this rational expression.

• 0 and 2

• 2 and 3

• 0 and 1.5

• 1.5 and -1.5

State the excluded values. x ≠ ?

• A

• B

• C

• D

• All Reals Except 0

• All Reals

• All Reals Except -3

• All Reals Except 0 and -3

What is the domain?

• All real numbers

• All real numbers except 4

• All real numbers except 2

• All real numbers except 2 and -2

What value(s) make the expression undefined?

• x = - 3 and x = 4

• x = 3 and x = - 4

• x = 3 only

• x = - 4 only

• The ones that would make the function undefined.

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