Solve.An earthquake was recorded with a shock wave which was  times more powerful than the smallest measurable shock wave recordable by a seismograph.What is the magnitude of this earthquake on the Richter scale (rounded to the nearest tenth)? The magnitude on the Richter scale of an earthquake of intensity I is 

A. 0.7
B. 5.9
C. 6.9
D. 15.9


Answer: C

Mathematics

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Find the domain of the given function f and find where it is increasing and decreasing, and also where it is concave upward and where it is concave downward. Identify all extreme values and points of inflection. Then sketch the graph of y = f(x). f(x) = 4-x

What will be an ideal response?

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A. (16x4 + 24x2 + 9)3 B. 256x8 + 64x6 + 144x4+ 108x2 + 27 C. 64x3 + 144x2+ 108x + 27 D. 64x6 + 144x4+ 108x2 + 27

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Answer the question.Which of the following statements is false?

A. All of these are true.
B. The series  must have no negative terms in order for the Comparison test to be applicable.
C. The sequences {an} and {bn} must be positive for all n to apply the Limit Comparison Test.
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Find the LCM of the set of numbers.30, 121

A. 4356 B. 726 C. 3630 D. 18,150

Mathematics