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2400
wednesday
tuesday
time
5
10
distance
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2400
both
allyson
1200
dave
time
k
1
2
3
4
5
6
distance
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time
1
2
3
4
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distance(ft)
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5
10
15
20
time(sec)
-20
-40
-60
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graph of y=e(t)
6000
5000
4000
3000
2000
1000
t = time (minutes)
5
10
15
20
25
30
35
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C
200
B
100
G
t (seconds)
A
5
10
15
20
25
30
40
-100
-200
H
-300
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-5
m
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2
(20,2)
t (hours)
10
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speed ( ft/sec)
20
18
16
14
12
10
8
6
4
2
( 26.2 , 18)
( 20, 12)
x (miles)
5
10
15
20
25
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