Graphing Functions - Math Worksheet With Answers
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2Name
Date
Graphing Functions
You can select your favorite songs and create your own CD. You can also buy songs to down-
load from the Internet. Analyze the costs to decide which option is the least expensive for you.
Create Your Own CD
Download Individual Songs
Cost is 50¢ per song plus an additional $6
Cost is $1 per song.
for making and shipping the CD.
Let
number of songs that you buy. Let
total cost.
Create Your
Download
Own CD
Songs
For each function on the right, substitute each value of
1.
into the functions to find the value of .
0.50
6
1
Use the coordinate grid shown below to graph all of
2.
the points for each function. Use a different color for
2
2
each function. Use the same colors to connect the
points for each function.
4
4
Y
6
6
16
14
8
8
12
10
10
10
8
12
12
6
4
14
14
2
X
0
2
4
6 8 10 12 14 16
Number of Songs
Infer At what coordinates do the lines intersect? Explain in terms of the number of
3.
songs and the total cost what happens when the two lines intersect.
Extend It If you only want to buy 8 songs, would you recommend creating your own
4.
CD or downloading the songs? What if you want to buy 14 songs? Use the graph and
the data to support your answers.
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