v(t) (t) (feet per second) 90 (seconds) so 70 5. 12 60 10 20 50 15 30 40 20 55 30 25 70 20 30 35 10 40 5 10 15 20 25 30 35 40 45 50 45 50 72 Time (seconds) The graph of the velocity v(r), in ft/sec, of a car traveling on a straight road, for 0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.3: The Natural Exponential Function
Problem 2E
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100%
v(t)
(2)a
(feet per second)
90
(seconds)
So
70
12
60
10
20
50
15
30
40
20
55
30
25
70
30
20
35
10
40
5 10 15 20 25 30 35 40 45 50
45
50
72
Time (seconds)
The graph of the velocity v(r), in ft/sec, of a car traveling on a straight road, for 0<t<50, is shown
above. A table of values for v(t), at 5 second intervals of time t, is shown to the right of the graph. Use
this information to answer Questions 18 & 19.
During what intervals of time is the acceleration of the car positive? Give a reason for your answer.
Velocity
(pucoes d aop)
Transcribed Image Text:v(t) (2)a (feet per second) 90 (seconds) So 70 12 60 10 20 50 15 30 40 20 55 30 25 70 30 20 35 10 40 5 10 15 20 25 30 35 40 45 50 45 50 72 Time (seconds) The graph of the velocity v(r), in ft/sec, of a car traveling on a straight road, for 0<t<50, is shown above. A table of values for v(t), at 5 second intervals of time t, is shown to the right of the graph. Use this information to answer Questions 18 & 19. During what intervals of time is the acceleration of the car positive? Give a reason for your answer. Velocity (pucoes d aop)
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