aliyahrose2005 aliyahrose2005

20-12-2022
Mathematics

Answered

The function t(x)=−1.29x^2+8.80x+42.69 represents the temperature in Riverbend, IL from 9:00 A.M. until 6:00 P.M. on March 6, 2008, where x is the number of hours after 9:00 A.M. on March 6, 2008. Determine at what time the temperature was at a maximum. Then use this value to find the maximum temperature.
A.About 3:45 P.M March 6th, 58 degrees
B.About 6:15 A.M March 6th, -2 degrees
C.About 12:00 P.M March 6th, 68 degrees
D.About 12:24 P.M March 6th, 57.6 degrees

Answer :

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