Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.(x-1y5)-2
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.The position (in centimeters) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. How fast is the object moving when it is moving fastest?
A. A
cm/sec
B. 
cm/sec
C. A
cm/sec
D. A cm/sec
Mathematics
Use integration by parts to establish a reduction formula for the integral.
, n ? 1
A. 
= 
cotn-1 x - 
B. 
= 
cotn-1 x + 
C. 
= 
cotn-2 x - 
D. 
= - cotn-1 x + 
Mathematics
Add.-3 + 17 + (-9)
A. 5 B. 23 C. 11 D. 29
Mathematics
Provide an appropriate response.Solve the inequality: 
? -5
A. all real numbers B. no solution C. -8 ? x ? 2 D. -8 ? x or x ? 2
Mathematics