Solve the problem.Suppose that the temperature T, in degrees Fahrenheit, during a 24-hr period in winter is given byT(x) = 0.0025(x3 - 38x + 240), 0 ? x ? 24, where x = the number of hours since midnight. Estimate the relative minimum temperature and when it occurs. Round answers to the nearest hundredth, if necessary.
A. 0.36° F at 0.36 hours after midnight
B. 0.38° F at 3.56 hours after midnight
C. 0.40° F at 0.40 hours after midnight
D. 0.37° F at 3.56 hours after midnight
Answer: D
Mathematics
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+ 
= -1
A. 
B. ?
C. {5}
D. {0}
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A. 
B. 
C. 
D. 
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Solve. Give exact solutions.(x - 2)2 = 49
A. 9, -5 B. 51 C. -5, -9 D. 7, -7
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Find the integral.
dx
A. 9x9 - 
x4 + 4x + C
B. 
x9 - 
x4 + 4x + C
C. 
x9 - 
x4 + 4x + C
D. 9x9 - 
x4 + 4x + C
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