Which would be the best for modeling each of the following scenarios. (The most obvious, with minimal phase change etc.) The number of minutes of daylight each day, starting in Mid-June a(cos(x)) The length of a burning candle in a chandelier that is swinging back and forth a(x) The number of people in the lunchroom, starting and ending soon before and after lunch. (when we could use the building) The height of the ball when it is served in a volleyball match. A rubber band is stretched and shot. The length of the band starting just as it is released.