Solve.If a string with a fundamental frequency of 110 Hz is plucked in the middle, it will vibrate at the odd harmonics of 110, 330, 550,. . . Hz. A resulting pressure P caused by the string can be approximated with the equation 
. 
Graph P in the window 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Evaluate the improper integral.
A. 160 B. 96 C. 192 D. 128
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Find the axis of symmetry of the given function.f(x) = 5x - 1 -x2
A. x = 
B. x = - 
C. x = 5
D. x = 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Express the product as a sum or difference.sin 4x sin 2x
A. 
(sin 6x + cos 2x)
B. 
(cos 6x - cos 2x)
C. sin2 8x2
D. 
(cos 2x - cos 6x)
Mathematics