Solve the problem.A certain noise has an intensity I of 
. Given that decibel level D is related to intensity by 
, where Io is 10-12, determine the decibel level of the noise. Round your answer to the nearest decibel.
A. 78 decibels
B. 9 decibels
C. 202 decibels
D. 88 decibels
Answer: D
Mathematics
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Solve the problem.Imagine a force field in which the force is always parallel to dr. What is special about the work done in moving a particle in such a field?
What will be an ideal response?
Mathematics
Graph the parametric equation for the given interval. Add arrows to show how the curve is traced out. x = t + 1, y = (t - 1)2; 0 ? t ? 3
A. 
B. 
C. 
D. 
Mathematics
Simplify, if possible.
A. 
B. 1
C. 
D. 
Mathematics
The graph of the function y = f(x) is given. On the same axes, sketch the graph of f-1(x). Use a dashed line for the inverse function.
A. 
B. 
C. 
D. 
Mathematics