The height in meters relative to the starting platform height of a car on a portion of a roller coaster track is modeled
by the function = 3 sin /4) / − 10) − 7. it takes a car 24 seconds to travel on this portion of the track, which
starts 10 seconds into the ride.
a. graph the height relative to the starting platform as a function of time over this time interval.
b. explain the meaning of each parameter in the height function in terms of the situation.

Afriend of mine is giving a dinner party. his current wine supply includes 10 bottles of zinfandel, 8 of merlot, and 11 of cabernet (he only drinks red wine), all from different wineries. (a) if he wants to serve 3 bottles of zinfandel and serving order is important, how many ways are there to do this? ways (b) if 6 bottles of wine are to be randomly selected from the 29 for serving, how many ways are there to do this? ways (c) if 6 bottles are randomly selected, how many ways are there to obtain two bottles of each variety? ways (d) if 6 bottles are randomly selected, what is the probability that this results in two bottles of each variety being chosen? (round your answer to three decimal places.) (e) if 6 bottles are randomly selected, what is the probability that all of them are the same variety? (round your answer to three decimal places.)