Unit 2: Understanding Functions

A set of ordered pairs is called what?

• Coordinates
• Relation
• Function
• Vertical Line Test

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

A relation where every input yields one and only one output is called what?

• Relation
• Linear
• Exponential
• Function

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)}

Tags

CCSS.8.F.A.1

Is this a function? 

• Yes
• No

Tags

CCSS.HSF.IF.A.1

In the given relation, what domain value corresponds to the range value -2?
{(-1,2), (-2,4), (2,5), (0,-2), (2,0)}

• -2
• 0
• 2
• 4

Tags

CCSS.8.F.A.1

Which of the following is not a function?

• {(0,1), (1,2), (2,3), (3,4)}
• {(0,2), (1,3), (4,3), (1,2)}
• {(1,3), (4,2), (2,0), (3,4)}
• {(1,2), (2,2), (3,2), (4,2)}

Tags

CCSS.HSF.IF.A.1

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Is the sequence arithmetic: 78, 785, 7855, 78555, ...

• Yes
• No

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

Find the next three terms in the arithmetic sequence: 25, 34, 43, 52, ...

• 63, 72, 81
• 79, 88, 97
• 70, 79, 88
• 61, 70, 79

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2