The amount of oxygen in an adult male’s lungs is measured during a deep breathing experiment. The data is recorded starting after the male has fully exhaled. The graph below gives the volume in liters, y, of oxygen in the male’s lungs x seconds after the experiment began. Point M is a minimum value of the function. What is the equation of a cosine function, using radians, that gives the volume as a function of time?

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Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.