Solve the problem.Let f(x) compute the time in hours to travel x miles at 
per hour. What does 
compute?
A. The miles traveled in x hours
B. The hours taken to travel 49 miles
C. The hours taken to travel x miles
D. The miles traveled in 49 hours
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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models the safe maximum speed, v, in miles per hour, at which a car can travel on a curved road with radius of curvature, r, in feet. A highway crew measures the radius of curvature at an exit ramp as 810 feet. What is the maximum safe speed?
A. 81 mph B. 50 mph C. 42 mph D. 45 mph
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Solve.-1 - 4x + 11 ? -5x + 4
A. x ? -6 B. x ? -6 C. x < -4 D. x > -4
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