Identifying Functions

Front

What is the definition of a function?

Back

A function is a relation where every input has exactly one output.

Tags

CCSS.8.F.A.1

Front

What are the characteristics of a function?

Back

A function must have a unique output for each input, and it cannot have two outputs for the same input.

Tags

CCSS.8.F.A.1

Front

What are inputs in a function?

Back

Inputs are the x-values or independent variables in a function.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What are outputs in a function?

Back

Outputs are the y-values or dependent variables in a function.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

How can you determine if a table represents a function?

Back

A table represents a function if no x-value is repeated with a different y-value.

Tags

CCSS.8.F.A.1

Front

What is a vertical line test?

Back

The vertical line test is a method to determine if a graph represents a function; if a vertical line intersects the graph at more than one point, it is not a function.

Front

What is the domain of a function?

Back

The domain is the set of all possible input values (x-values) for a function.

Front

What is the range of a function?

Back

The range is the set of all possible output values (y-values) for a function.

Front

What is a one-to-one function?

Back

A one-to-one function is a function where each output is associated with exactly one input.

Front

What is a many-to-one function?

Back

A many-to-one function is a function where multiple inputs can produce the same output.

Tags

CCSS.8.F.A.1