Relations and Functions

Given the relation A = {(5, 2), (7, 4), (9, 10), (x, 5)}. Which of the following values for x will make relation A a function?

• 7

• 9

• 4

Tags

CCSS.8.F.A.1

The graph of a relation is shown at the right. Is this relation a function?

• Yes

• No

• Cannot be determined from a graph

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Is the relation depicted in the table below a function?

• Yes

• No

• Cannot be determined from a table

Tags

CCSS.8.F.A.1

The graph of a relation is shown below. Is the relation a function?

• Yes

• No

• Cannot be determined from a graph

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

The graph of a relation is shown below. Is the relation a function?

• Yes

• No

• Cannot be determined from a graph

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Given f(x) = 3x + 7, find f(5).

• 15

• 22

• 42

Tags

CCSS.HSF.IF.A.2

Which graph represents a function?

• 
• 
• 
• 

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the relations below is a function?

• {(2, 3), (3, 4), (5, 1), (2, 4)}

• {(2, 3), (3, 4), (6, 2), (7, 3)}

• {(2, 3), ( 3, 4), (6, 2), (3, 3)}

Tags

CCSS.8.F.A.1

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}
• D:{0, 1, 2, -4}
  R:{1, -3, -4}
• D:{0, 1, 2, 3, 4}
  R:{1, -3, -4}
• D:{0, 1, 2, 3}
  R:{0, 1, 2, 3, 4}

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Determine if the relation is a function

• Not a function, each input has more than one output

• Yes it is a function, because each input has exactly on output

• Not a function, input is equal to output

• Yes it is a function, -1/2 is a fraction of 2

Tags

CCSS.8.F.A.1