MATH HELP: Help me find a function

Posted on 2014-03-29 06:30:00 in Math by DAISY

minutes (t) temperature (T)

0 ~~~~~~~~~~~ 90

10 ~~~~~~~~~~~82

20 ~~~~~~~~~~~ 76

30 ~~~~~~~~~~~73

40 ~~~~~~~~~~~72

50 ~~~~~~~~~~~71

60 ~~~~~~~~~~~70

70~~~~~~~~~~~ 71

80 ~~~~~~~~~~~72

90 ~~~~~~~~~~~71

100 ~~~~~~~~~~~70

110 ~~~~~~~~~~~71

120 ~~~~~~~~~~~72

1. What type of function can be used as a general behavioral model?

and then 2. what function can you use to get the model to oscillate between 70* and 72*? i'm guessing it's either a cosine or sin graph, but i'm not sure.

and 3. what function can be used to cause the temp to fall quickly and then level off around 71*?



if you can only answer one of those that is fine, anything helps.

and please no answers about doing my own homework, it's a 5 page packet and i just am not sure what to do for this one.

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