Solve the problem.The function t(x) = -1.29x2 + 8.80x + 42.69 represents the temperature in Riversbend, IL from 11 P.M. on March 6, 2008 until 7 A.M. on March 7, 2008, where x is the number of hours after midnight on March 6, 2008. Use the function to estimate the temperature in Riversbend at 3 A.M. on March 7, 2008. Round your answer to the nearest degree.
A. 5°
B. 57°
C. 68°
D. 55°
Answer: B
Mathematics
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