Relations and Functions Review

A set of ordered pairs is called what?

• Coordinates
• Relation
• Function
• Vertical Line Test

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

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

• Relation
• Linear
• Exponential
• Function

Tags

CCSS.8.F.A.1

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

Benito has x apples. He cuts each apple in half and gives each half to a different horse. Which expression represents the number of horses Benito feeds?

• x * .5
• x / .5
• x * 1.5
• x / 1.5

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The graph shows a function. What is the domain of the graph?

• x ≥ 0
• x ≥ -6
• [0,6]
• [-6,6]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which situation best describes a negative correlation?

• The speed of a runner and the time it takes to run a race.
• The number of apples in a bag and the weight of the bag of apples.
• The time it takes to repair a car and the amount of the bill.
• The number of people in a household and the amount of mail in their mailbox.

What is the range of the relation shown on the mapping diagram?

• R:{3, 5, 8}
• R:{-7, 11}
• R:{3, 5, 8, 12}
• R:{all real numbers}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

For h(x) = x³ + 2x, find h(4).

• 20
• 14
• 64
• 72

Tags

CCSS.HSF.IF.A.2