Solve the problem.The energy E (measured in joules) released by an earthquake of magnitude M on the Richter scale 
is given by the equation 
. Suppose an earthquake registers 7.5 on the Richter scale. Let I0 = 1. What is the intensity of the earthquake?
A. I = 7.510
B. I = 107.5
C. I = 1015.65
D. I = 15.6510
Answer: B
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Find the extreme values of the function and where they occur.y = (x - 3)2/3
A. Absolute maximum value is 0 at x = -3. B. There are no definable extrema. C. Absolute minimum value is 0 at x = -3. D. Absolute minimum value is 0 at x = 3.
Find the simple interest. The rate is an annual rate unless otherwise noted. Assume 365 days in a year and 30 days per month. Round to the nearest cent.$600 at 5% for 7 years
A. $21.00 B. $210.00 C. $428.57 D. $17.14
Find the particular solution to the given differential equation that satisfies the given conditions.x dy - y dx = 3x3 dy + 3x2y dx; x = 1 when y = 1
A. y = 3x2y B. y = 3xy2 - 2x C. y = 3x2y - 2x + c D. y = 3x2y - 2x
Graph the polar equation.r2 = 62 sin 3?
A. 
B. 
C. 
D. 