Solve the problem.The Richter Scale measures the magnitude M of an earthquake. An earthquake whose seismographic reading measures x millimeters 100 kilometers from the epicenter has magnitude M given by M(x) = log 
. Give the magnitude of an earthquake that resulted in a seismographic reading of 69,857 millimeters 100 kilometers from its epicenter. Round to the nearest tenth.
A. 7.8
B. 6.8
C. 8.8
D. 1.8
Answer: A
Mathematics
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Evaluate the function as indicated.Find f(-1.3) when f(x) = -19.
A. -19 B. 19 C. -1.3 D. 24.7
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The data table has been generated by a linear, quadratic, or cubic function f. All zeros of f are real numbers located in the interval 
By making a line graph of the data, conjecture the degree of f.
A. 1 B. 2 C. 3 D. 4
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Find the least common denominator (LCD).
, 
A. (x + 5)(x + 1) B. (x + 5)(x + 1)(x - 6) C. (x + 1)(x - 6) D. (x - 5)(x - 1)(x - 6)
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Graph the numbers on a number line.1, 3, 5, 7
A. 
B. 
C. 
D. 
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