Relations and Function

Which of the relations below is a function?

• {(2, 3), (3, 4), (5, 1), (5, 4)}

• {(-2, 3), (3, 4), (6, 2), (9, 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}

Find the domain and the range of the function.

• Domain: (-2, 2] Range: [-2, 14)

• Domain: [-2, 14] Range: [-2, 2]

• Domain: [-2, 2] Range: [-2, 14]

• Domain: (-2, 2) Range: (-2, 14)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Given the relation A = {(-5, 2), (6, 4), (3, 10), (x, 5)}. Which of the following values for x will make relation A a function?

• 6

• 3

• 8

• -5

Tags

CCSS.8.F.A.1

Match the following vocabulary below

• Domain

• A function written as y=mx+b

• A Relation

• A set of ordered pairs

• Linear Equation

• The set of all y values

• Range

• A function written as ax²+bx+c

• Quadratic

• The set of all x values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

A set of ordered pairs is called a​ (a)  

• relation

• function

• ordered pair

• table

• mapping diagram

• graph

• input

• output

• ordered pairs

Tags

CCSS.8.F.A.1

A special type of (a)   in which DIXI does not repeat is called a ​ (b)   .

• relation

• function

• ordered pair

• table

• mapping diagram

• graph

• input

• output

• ordered pairs

Tags

CCSS.8.F.A.1

The relation ​ (a)   a function.

• is not

• is

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

List the ordered pairs

• Input and Output

• (-1, 1), (-2, 1), (-3,2), (-4,2)

• (1,1) (2,4)

• (1,-1), (1,-2), (2,-3), (2,-4)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1