Solve.An earthquake was recorded with an intensity which was 
times more powerful than a reference level earthquake, or 
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. 4.9
B. 13.6
C. 0.6
D. 5.9
Answer: D
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Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
For the given function, find the rate of change.y = 700 - 6x
A. 5 B. 700 C. -6 D. 6
Find the slope then describe what it means in terms of the rate of change of the dependent variable per unit change in the independent variable.The linear function f(x) = 4.6x + 26 represents the percentage of people, f(x), who graduated from college x years after 1998.
A. m = 26; the percentage of people graduating from college has increased at a rate of 26% per year after 1998. B. m = 4.6; the percentage of people graduating from college has decreased at a rate of 4.6% per year after 1998. C. m = 4.6; the percentage of people graduating from college has increased at a rate of 4.6% per year after 1998. D. m = -4.6; the percentage of people graduating from college has decreased at a rate of 4.6% per year after 1998.
Give the equation of the vertical asymptote(s) of the rational function.g(x) = 
A. x = -8 B. x = 6, x = -4 C. x = -6, x = 4 D. x = -6, x = 4, y = 0