Domain Rational Functions

The domain of a rational function is...

At the x-values that are NOT in the domain of a rational function, we usually see the function going up to infinity or down to negative infinity. What is the name of these "walls" of the graph, which the function cannot pass?

Tags

CCSS.HSF-IF.C.7D

Tags

CCSS.HSF-IF.C.7D

What is the domain of the rational function?

Tags

CCSS.HSF-IF.C.7D

What is the domain?

• All real numbers except 1/2

• All real numbers

• All real numbers except -4

• All real numbers except 4

What is the domain of the rational function?

Tags

CCSS.HSF-IF.C.7D

The domain of f(x) is ​ ​ ​ ​ (a)  

• (-∞,-1) U (-1,5) U (5,∞)

• (-∞,-1) U (5,∞)

• (-∞,∞)

• (-∞,-3) U (-3,-1) U (-1,2) U (2,5) U (5,∞)

• (-∞,-5) U (-5,1) U (1,∞)

• (-∞,-5) U (5,∞)

• (-∞,7) U (7,19) U (19,∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain?

• (-∞, ∞)

• (-∞, 1) U (1,∞)

• (-∞, 2) U(2, ∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain?

• (-∞, ∞)

• (-∞, -3) υ (-3, ∞)

• (-∞, 1) υ (1, ∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5