Our cycle of normal breathing takes place every 5 seconds. Velocity of air flow, y, measured in liters per second, after x seconds modeled by the equation below. y=1.4 cos 5X Velocity of air flow is positive when we inhale and negative when we exhale. Within each breathing cycle when are we inhaling a rate of 0.7 liters per second?

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Our cycle of normal breathing takes place every 5 seconds. Velocity of air flow, y, measured in liters per second, after x seconds is
modeled by the equation below.
2n
y= 1.4 cos X
Velocity of air flow is positive when we inhale and negative when we exhale. Within each breathing cycle when are we inhaling at a
rate of 0.7 liters per second?
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. x=
(Simplify your answer. Type your answer in radians. Use a comma to separate answers as needed. Round to the nearest
tenth as needed.)
O B. There is no solution.
Transcribed Image Text:Our cycle of normal breathing takes place every 5 seconds. Velocity of air flow, y, measured in liters per second, after x seconds is modeled by the equation below. 2n y= 1.4 cos X Velocity of air flow is positive when we inhale and negative when we exhale. Within each breathing cycle when are we inhaling at a rate of 0.7 liters per second? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. x= (Simplify your answer. Type your answer in radians. Use a comma to separate answers as needed. Round to the nearest tenth as needed.) O B. There is no solution.
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