The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what time was the temperature its lowest?
A. 1 p.m.
B. 4 p.m.
C. 6 p.m.
D. 9 a.m.
Answer: D
Mathematics
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A. 
x
B. 
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A. 
B. 
C. 
D. 
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