Solve the problem.The function given by f(x) = k2x/12 can be used to determine the frequency, in cycles per second, of a musical note that is x half-steps above a note with frequency k. Find the frequency of the note that is 4 half-steps above middle C (262 cycles per second).
A. 2096 cycles per second
B. 330 cycles per second
C. 8 cycles per second
D. 349 cycles per second
Answer: B
Mathematics
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Graph the linear inequality.y ? 3x - 4
A. 
B. 
C. 
D. 
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Use a spherical coordinate integral to find the volume of the given solid.The solid between the sphere 
and the hemisphere 
A. 
?
B. 
?
C. 
?
D. 
?
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Find the perimeter. Use 3.14 for ? when needed.
A. 140.76 yd B. 80.07 yd C. 53.38 yd D. 104.38 yd
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Complete the square in x and y to find a Cartesian equation of the form 
+ 
= 1 for the given equation. Identify the center. 2x2 + 5y2 - 28x + 40y + 168 = 0
A. 
+ 
= 1; Center: (-7, 4)
B. 
+ 
= 1; Center: (7, -4)
C. 
+ 
= 1; Center: (7, -4)
D. 
+ 
= 1; Center: (-7, 4)
Mathematics