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Functions, Tables, and Graphs

This topic deals with understanding how to graph the ordered pairs from a table of values, interpret the graphs to describe situations. Using function tables to generate ordered pairs is also covered.
Practice Question
1

The table shows the total cost of buying different numbers of drinks. What appears to be the relationship between the number of drinks and the total cost?

Number of drinks


1


2


3


4

Total Cost ($)


2


4


6


8
 
Possible Answers
Your Answer
Correct Answer
A)

For each additional drink, 2 additional dollars are required
B)

For each additional drink, the cost of each drink increases by $2
C)

For each additional drink, the cost of each drink increases by $1
D)

For each additional drink, 1 additional dollar is required
Practice Question
2

An accountant uses 3 gallons of gas each day driving to and from her office.
Write the ordered pairs for the table showing the total number of gallons of gas she uses for each of 3 days.

 

 
Possible Answers
Your Answer
Correct Answer
A)

(1, 3); (2, 4); (3, 6)
B)

(1, 2); (2, 6); (3, 9)
C)

(1, 3); (2, 6); (3, 9)
D)

(1, 2.5); (2, 5); (3, 7.5)
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