Find the derivative.y = 
A. 1 - cos (x5)
B. -10x9 cos (x5)
C. -sin (x5)
D. 10x9 cos (x5)
Answer: B
Mathematics
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Evaluate the integral. The integral may not require integration by parts.
dx
A. 
ln
+ C
B. x9 sec x9 + C
C. 8 ln
+ C
D. 
ln
+ C
Mathematics
Represent the data graphically.A vehicle purchased for $52,000 depreciates at a rate of 10% each year. Its value at the end of each of the first five years is as follows:
A. 
B. 
C. 
D. 
Mathematics
Solve. Round to the nearest tenth.A 26-ft-tall ladder is placed so that it reaches 24 ft up on the wall of a house. How far is the base of the ladder from the wall of the house?
A. 1252 ft B. 35.4 ft C. 10 ft D. 100 ft
Mathematics
Write the expression with positive exponents only. Then simplify, if possible.
A. 6x2
B. 
C. - 
D. 
Mathematics