Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.2
- r = -10 + 3(2 + 3r)
A. Conditional; {-5}
B. Identity; {all real numbers}
C. Conditional; {10}
D. Contradiction; ?
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Graph the function.f(x) = x2 + 
A. 
B. 
C. 
D. 
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The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log 
, where x0 = 10-3.What is the magnitude of an earthquake whose seismographic reading is 7.7 millimeters at a distance of 100 kilometers from its epicenter? Round the answer to the nearest tenth.
A. 2.7 B. 886.5 C. 3.9 D. 2.9
Mathematics
Choose the logistic function that best approximates the curve.
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?
(A)
?
(B)
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(C)
?
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What will be an ideal response?
Mathematics