Question 3 of3 - / 6 E View Policies Current Attempt in Progress Let V represent the volume in liters of air in the lungs during a 5second respiratory cycle. If t is time in seconds, Vis given by V: 0.1729t + 0.15221:2 - 0.037419. (3) Graph this function for O 5 ts 5. (b) What is the maximum value of V on this interval? What is its practical signicance? Round your answers to 3 decimal places. The maximum value of Vis . It occurs when t = seconds. Thus, after seconds into the cycle, the lungs contain .~. liters of air. (c) Explain the practical signicance of the t and Vintercepts on the interval 0 s t s 5. Round your answers to 1 decimal place. The t-interceptls) are at t = 0 and at t = The Vintercept(s) are at V = The volume is at t = O and again at tm . This indicates that at the beginning and end of the 5-second cycle the lungs are empty