The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the question.
At what time was the temperature the lowest?
A. 10 a.m.
B. 9 a.m.
C. 6 p.m.
D. 1 p.m.
Answer: B
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Use an algebraic approach to solve the problem.If the complement of an angle is 9o less than one-fourth of its supplement, find the measure of the angle.
A. 72o B. 70o C. 60o D. 66o E. 64o
Solve the problem.The graph below shows the first derivative of a function y = f(x). Select a possible graph of f that passes through the point P. f'
A. 
B. 
C. 
D. 
In a certain city there is a river running through the middle of the city. There are three islands and nine bridges as shown in the figure below.
It is possible to take a walk through this town, starting on the South Bank, crossing each bridge once (and only once) and ending
A. on island B. B. on island C. C. back on the South Bank. D. on the North Bank. E. none of these
Decide whether the limit exists. If it exists, find its value.lim f(x)x?0
A. 0 B. -1 C. 1 D. Does not exist