Relations and Functions

Front

What are all of the y values or outputs in a relation called?

Back

Range

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

Which relation is NOT a function? {(1,-5), (3,1), (-5,4), (4,-2)}, {(2,7), (3,7), (4,7), (5,8)}, {(1,-5), (-1,6), (1,5), (6,-3)}, {(3,-2), (5,-6), (7,7), (8,8)}

Back

{(1,-5), (-1,6), (1,5), (6,-3)}

Tags

CCSS.8.F.A.1

Front

Is this mapping a function or not a function? (1,2), (2,3), (3,4)

Back

Function

Tags

CCSS.8.F.A.1

Front

Which graph does NOT pass the vertical line test? Graph 1, Graph 2, Graph 3, Graph 4

Back

Graph 1

Front

What are all of the x values or inputs in a relation called?

Back

Domain

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

Define a function in mathematical terms.

Back

A function is a relation where each input (x value) has exactly one output (y value).

Tags

CCSS.8.F.A.1

Front

What is the vertical line test?

Back

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 difference between a relation and a function?

Back

A relation is a set of ordered pairs, while a function is a specific type of relation where each input has one output.

Tags

CCSS.8.F.A.1

Front

Give an example of a function.

Back

f(x) = 2x + 3 is a function because for each x, there is one corresponding y.

Tags

CCSS.8.F.A.1

Front

What is the domain of the function f(x) = 1/(x-2)?

Back

The domain is all real numbers except x = 2.