Name: 
 

SOL A.7 AB RELATIONS MINI QUIZ



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Give the domain and range of the relation. Tell whether the relation is a function.
mc001-1.jpg
a.
D: –3 mc001-2.jpg x mc001-3.jpg 3; R: –2 mc001-4.jpg y mc001-5.jpg 2
The relation is not a function.
c.
D: –3 mc001-10.jpg x mc001-11.jpg 3; R: –2 mc001-12.jpg y mc001-13.jpg 2
The relation is a function.
b.
D: –2 mc001-6.jpg x mc001-7.jpg 2; R: –3 mc001-8.jpg y mc001-9.jpg 3
The relation is not a function.
d.
D: –2 mc001-14.jpg x mc001-15.jpg 2; R: –3 mc001-16.jpg y mc001-17.jpg 3
The relation is a function.
 

Short Answer
 

 1. 

Identify the domain and range. Then tell whether the relation is a function.
sa001-1.jpg
 

Essay
 

 1. 

The table shows the difference es001-1.jpg (in cents) of this year’s average monthly gas price and the previous year’s average monthly gas price. For example, in month 1, es001-2.jpg. So, the average gas price was 2 cents below the previous year’s gas price.
es001-3.jpg
Part A: Explain how you know the table represents a function.
Part B: Graph the function and identify its domain and range.
Part C: What does a point in Quadrant IV mean in terms of this situation?
 

 2. 

Explain how to determine whether each item represents a function.  Then give an example of a function in that form.

Part A: a set of ordered pairs

Part B: a graph

Part C: an equation
 



 
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