The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which two hour period did the temperature increase the most?
A. 9 a.m. to 11 a.m.
B. 10 a.m. to 11 a.m.
C. 10 a.m. to 12 p.m.
D. 12 p.m. to 2 p.m.
Answer: A
Mathematics
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Find an equation of the secant line containing (1, f(1)) and (2, f(2)).f(x) = x3 + x
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Solve the problem.A force of 5 pounds acts in the direction of 5° to the horizontal. The force moves an object along a straight line from the point (5, 4) to the point (18, 13), with distance measured in feet. Find the work done by the force. Round the answer to one decimal place, if necessary.
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Mathematics