Solve the problem.If the magnitude of an earthquake is 5 on the Richter scale, how many times more intense is the earthquake than the smallest measurable activity?
A. 50
B. 10,000
C. 100,000
D. 5
Answer: C
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Solve the problem.Evaluate 
at (u, v) = (2, 2) for the function z = xy2 - ln x; x = eu+v, y = uv.
A. 32e4 - 1 B. 24e4 - 1 C. -1 D. 48e4 - 1
Find an exponential model for the following data set. Round your answer to two decimal places. t 0 2.13 4.26 6.39 y 6.09 8.35 11.45 15.71?
A. 
B. ?
C. ?
D. ?
Answer the question.Which one of the equations below matches the graph?
A. y = 4 cos
B. y = 4 sin
C. y = 2 cos
D. y = 4 cos
The graph of a function f is given. Use the graph to answer the question. 
Find the numbers, if any, at which f has a local minimum. What are the local maxima?
A. f has a local maximum at x = -2.5 and 5; the local maximum at -2.5 is -3.3; the local maximum at 5 is -2.5 B. f has a local minimum at x = -2.5 and 5; the local minimum at -2.5 is -3.3; the local minimum at 5 is -2.5 C. f has a local minimum at x = -3.3 and -2.5; the local minimum at -3.3 is -2.5; the local minimum at -2.5 is 5 D. f has a local maximum at x = -3.3 and -2.5; the local maximum at -3.3 is -2.5; the local maximum at -2.5 is 5