The loudness L(x), measured in decibels, of a sound of intensity x, measured in watts per square meter, is defined as 
watt per square meter is the least intense sound that a human ear can detect. Determine the loudness, in decibels, of the sound.At a recent Phish rock concert, sound intensity reached a level of 0.50 watt per square meter. To the nearest whole number, calculate the loudness of this sound in decibels.
A. 107 decibels
B. 123 decibels
C. 112 decibels
D. 117 decibels
Answer: D
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Provide an appropriate response.When compared to a frequency distribution, a relative frequency distribution represents:
A. the percent that each class interval is of the mean. B. the percent that each class interval is of the whole. C. the total number of tallies in all class intervals. D. the number of tallies in the largest class interval.
Fill in each blank with the appropriate response.The graph of y = - 
+ 2 can be obtained from the graph of y = 
by reflecting across the __-axis, vertically shrinking by a factor of 
reflecting across the __-axis, and shifting vertically ___ units in the _______ direction.
A. y; 
; x; 2; upward
B. x; 2; y; 
; upward
C. x; 
; x; 2; upward
D. y; 
; x; 2; downward
A polynomial P(x) and a divisor d(x) are given. Use long division to find the quotient Q(x) and the remainder R(x) when P(x) is divided by d(x), and express P(x) in the form d(x)? Q(x) + R(x).P(x) = 3x4 - 2x3 - 10x2 + 15d(x) = x - 2
A. (x - 2)(3x3 + 4x2 - 2x + 11) + 22 B. (x - 2)(3x3 + 4x2 + 2x + 4) + 22 C. (x - 2)(3x3 + 4x2 - 2x - 4) + 7 D. (x - 2)(3x3 - 4x2 - 2x - 4) + 7
Provide an appropriate response.Is it true that the equation 297x + 82 = 177 and the equation 
are always equivalent equations?
A. True B. False