Provide an appropriate response.Starting with middle A, at a frequency of 437 cycles per second, find the frequency of the next octave of A in the circle of fifths.
A. 521
B. 27,968
C. 55,936
D. 36,708
Answer: C
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Provide an appropriate response.If 
= 2, find 
f(x).
A. 1 B. 3 C. 2 D. Does not exist
Solve the equation.2x1/2 - 3x1/4 - 2 = 0
A. {16}
B. 
C. 
D. {-2, -1}
Identify the sampling technique used to obtain a sample.The first 20 people to arrive at a town meeting are surveyed to find out their opinion on a proposed bond referendum.
A. Cluster sampling B. Stratified sampling C. Convenience sampling D. Systematic sampling
Solve the problem.A truck rental company charges $39, plus $0.13 per mile to rent a moving truck for a day. If x represents the number of miles driven and f(x) represents the total cost to rent the truck for a day, write a linear function that models the situation.
A. f(x) = 0.13x + 39x B. f(x) = 0.13x + 39 C. f(x) = 39x + 0.13 D. f(x) = 0.13x - 39