4.2 Review Worksheet
4.2.1 Graphing Functions
Graph each function.
1. y = − 3 x + 5
2. f ( x ) = 3 x
3. x + y = 8
4. f ( x ) = 2 x + 2
4.2.2 Scatter Plots and Trend Lines Graph a scatter plot using the given data.
5. Train Arrival Time
6:45 a . m . 7:30 a . m .
8:15 a . m .
9:45 a . m . 10:30 a . m .
Passengers
160
148
194
152
64
Describe the correlation illustrated by each scatter plot. 6. 7. Nascar
Concert Ticket Costs
4 5 6 7 1 2 3
40 50 60 70 10 20 30
1 2 3 4 5 6 7
10
20
30
Row
Rank
226
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