Multiple Choice
Scientists sometimes use the formula to simulate temperature variations during the day, with time t in hours, temperature f ( t ) in
, and t=0 corresponding to midnight. Assume that f ( t ) is decreasing at midnight. Determine values of a, b, c, and d that fit the information: the high temperature is 19
, and the low temperature of -19
occurs at 4 A.M.
A)
B)
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
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