Functions Review

The following mapping is​ (a)   because ​ ​ (b)   .

• a function
• each input maps to exactly one output.
• not a function
• both a function and one-to-one
• each output maps to exactly one input
• neither the x's or y's repeat

The following mapping is​ ​ (a)   because ​ ​​ ​ (b)   .

• both a function and one-to-one
• neither the x's or y's repeat
• not a function
• each output maps to exactly one input
• a function
• each input maps to exactly one output.

The following mapping is​ ​ (a)   ​ because ​ ​​ ​ ​ (b)   .

• not a function
• an input maps to more than one output
• each output maps to exactly one input
• a function
• each input maps to exactly one output.
• both a function and one-to-one

The graph is ​ (a)   because it ​ (b)   .

• not a function
• does not pass the VLT
• a function
• passes the VLT
• does not pass the HLT
• passes the HLT

The graph is ​ (a)   because it ​​ (b)   .

• a function
• passes the VLT
• does not pass the HLT
• passes the HLT
• not a function
• does not pass the VLT

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Which set of ordered pairs represents a function?

Which set of ordered pairs represents a function?

Match the correct interval to the domain and range.

Domain ​ (a)  

Range (b)