Multiply. Express the answer as a single polynomial in standard form.(9x - 1)(x2 - 5x + 1)
A. 9x3 + 46x2 - 14x + 1
B. 9x3 - 46x2 + 14x - 1
C. 9x3 - 44x2 + 4x - 1
D. 9x3 - 45x2 + 9x + 1
Answer: B
Mathematics
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Find 
by using logarithmic differentiation.y = 
A. 
B. 
C. 
D. 
Mathematics
Add.3 + (-15)
A. 12 B. 18 C. -12 D. -18
Mathematics
The double line graph below shows the number of Acme Superstores vs. the number of General Superstores. 
In what year was the number of Acme stores approximately equal to the number of General stores?
A. 2002 B. 2000 C. 1998 D. 1999
Mathematics
Solve the problem.A freight train leaves a station traveling at 32 km/h. Two hours later, a passenger train leaves the same station traveling in the same direction at 52 km/h. How long does it takes the passenger train to catch up to the freight train?
A. 4.2 hr B. 3.2 hr C. 5.2 hr D. 2.2 hr
Mathematics