An average-sized man takes 5 seconds to breathe in and out when at rest. Assume that at t = 0 the man finished exhaling and is about to inhale. Let V(t) be the volume of air in his lungs, in liters, at time t seconds. Given the graph of V(t) below, find its period and amplitude. V(t) (liters) 2.5 2 1.5 1 0.5 t (sec) 2.5 5 7.5 10 12.5 15 17.5 20 A) period: 5; amplitude: 0.25 B) period: 2.5; amplitude: 0.25 C) period: 2.5; amplitude: 0.5 D) period: 5; amplitude: 3

Trigonometry (MindTap Course List)
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Chapter1: Trigonometry
Section1.5: Graphs Of Sine And Cosine Functions
Problem 80E: For a person at rest, the velocity v (in liters per second) of airflow during a respiratory cycle...
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An average-sized man takes 5 seconds to breathe in and out when at rest. Assume
that at t = 0 the man finished exhaling and is about to inhale. Let V(t) be the
volume of air in his lungs, in liters, at time t seconds. Given the graph of V(t) below,
find its period and amplitude.
V(t) (liters)
2.5
2
1.5
1
0.5
t (sec)
2.5
5
7.5
10 12.5 15 17.5 20
A) period: 5; amplitude: 0.25
B) period: 2.5; amplitude: 0.25
C) period: 2.5; amplitude: 0.5
D) period: 5; amplitude: 3
Transcribed Image Text:An average-sized man takes 5 seconds to breathe in and out when at rest. Assume that at t = 0 the man finished exhaling and is about to inhale. Let V(t) be the volume of air in his lungs, in liters, at time t seconds. Given the graph of V(t) below, find its period and amplitude. V(t) (liters) 2.5 2 1.5 1 0.5 t (sec) 2.5 5 7.5 10 12.5 15 17.5 20 A) period: 5; amplitude: 0.25 B) period: 2.5; amplitude: 0.25 C) period: 2.5; amplitude: 0.5 D) period: 5; amplitude: 3
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