5.2.1 Slope-Intercept Form - Worksheet (continued)
Example 4: 12. Helen is in a bicycle race. She has already biked 10 miles and is now biking at a rate of 18 miles per hour. Her distance as a function of time is shown in the graph.
Distance Biked
48 42 36 30 24 18 12 6
Time (h) 0 1 2 3 4
a. Write an equation that represents the distance Helen has biked as a function of time.
b. Identify the slope and y -intercept and describe their meanings.
c. How far will Helen have biked after 2 hours?
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