The function f is one-to-one. Find its inverse.f(x) = x3 - 5
A. f-1(x) = 
- 5
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
+ 5
Answer: B
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A. 3 B. -3 C. -13 D. 13
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is given by the equation 
. Suppose an earthquake registers 6 on the Richter scale. Let I0 = 1. How many joules of energy were released?
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A. $9100 B. $18,000 C. $9000 D. $4500