The table shows the average high temperatures (in degrees Fahrenheit) in Boston, Massachusetts (B), and Fairbanks, Alaska
Question:
(a) Use the regression feature of a graphing utility to find a model of the form y = a sin(bt + c) + d for each city. Let t represent the month, with t = 1 corresponding to January.
(b) Use the models from part (a) to estimate the monthly average high temperatures for the two cities in February, April, May, July, September, October, and December.
(c) Use a graphing utility to graph both models in the same viewing window. Compare the temperatures for the two cities.
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