Find the second derivative.y = 6x3 - 5x2 + 4
A. 10x - 36
B. 24x - 10
C. 10x - 24
D. 36x - 10
Answer: D
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Write the decimal as a percent.7
A. 0.07% B. 0.7% C. 350% D. 700%
Convert the decimal number to the given base.68 to base eight
A. 120eight B. 104eight C. 140eight D. 102eight
Solve the problem.The formula D = 8e-0.04h can be used to find the number of milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. When the number of milligrams reaches 3, the drug is to be given again. What is the time between injections?
A. 24.52 hrs B. 27.47 hrs C. 25.97 hrs D. 51.99 hrs
Solve the problem.The speed of a vehicle is inversely proportional to the time it takes to travel a fixed distance. If a vehicle travels a fixed distance at 10 miles per hour in 60 minutes, how fast must it travel to cover the same distance in 20 minutes?
A. 
mph
B. 
mph
C. 120 mph
D. 30 mph