QUESTION 1 For a person at rest, the velocity > (in liters per second) of airflow during a respiratory cycle (the time from the beginning of one breath to the beginning of the next) is given by v = 0.85 sin where z is the time (in seconds). (Inhalation occurs when > > 0, and exhalation occurs when v > 0 and exhalation occurs when v ) Oa. Ob. Oc. Od. Oe.QUESTION 4 Which of the following functions is represented by the graph below? 1m- 03m TH -5-4-3-2-10 -0 5m- Oa. 1 arcain 2x Ob. 2 arecom(x + 1) Oc. 1 arcain Od. arceos Oe. arccos a+1 2QUESTION 5 The sun is 20above the horizon. Find the length of a shadow cast by a park statue that is 14 feet tall. Approximate the answer to two decimal places. 0 a. 38.46 ft 0 b39415 0 c. 42.46 0 d.40.46 ft 0 e.41.46 ft