Use the function 
to find 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: E
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Evaluate the absolute value.|-71|
A. 1 B. 0 C. 71 D. -71
Find the phase shift of the function.y = 3 cos 
A. ? units to the left
B. 3? units to the right
C. 
units to the right
D. 
units to the left
Solve the problem.Use the formula D = 10.0 log (S/S0), where the loudness of a sound in decibels is determined by S, the number of watt/m2 produced by the soundwave, and S0 = 1.00 × 10-12 watt/m2. A certain noise measures 75 decibels. If the intensity is multiplied by 1000, how many decibels will the new noise measure? (Round to an appropriate number of significant digits.)
A. 75,000 decibels B. 225 decibels C. 105 decibels D. 78 decibels
Rewrite the expression as a sum or difference, then simplify if possible.
?
?
A. 
B. ?
C. ?
D. ?
E. ?