3.1 Relations vs. Functions

What is the range?

• {-3, -1, 2, 4}
• {0, 4, 7} 
• {0, 4, 4, 7}
• {7, 4, 0}

What is the domain of this relation?

• {-8,4,4,6}
• {-8,4,6}
• {-4,2,2,8}
• {-4,2,8}

What is the range of the relation {(7,3), (5,6), (-2,-4), (-4,3)}

• {7, 5, -2, -4}

• {-2, 5, 7}

• {-4, 3, 6}

• {3, 6, -4, 3}

The set of first numbers (x-values) of the ordered pairs in a relation.

• domain

• range

• mapping

• function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The set of second numbers (y-values) of the ordered pairs in a relation.

• range

• mapping

• function

• coordinate plane

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

A relation in which each element of the domain is paired with exactly one element of the range.

• function

• relation

• domain

• range

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function 
• Not a Function

• Function
• Not a Function

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1