Solve.A deep sea diving bell is being lowered at a constant rate. After 9 minutes, the bell is at a depth of 400 feet. After 55 minutes the bell is at a depth of 1300 feet. What is the average rate of lowering per minute?
A. 16.4 ft per minute
B. 23.6 ft per minute
C. 19.6 ft per minute
D. 0.05 ft per minute
Answer: C
Mathematics
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.
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The circle or ellipse shown in the calculator-generated graph was created using function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?(x - 2)2 + (y - 2)2 = 1
A. 
, 
B. y1 = 2 + 
, y2 = 2 - 
C. 
, 
D. 
, 
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Determine whether the relation is a function.{(-7, 3), (-7, -4), (2, -4), (5, -5), (10, 9)}
A. No B. Yes
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Use the right triangle shown and find the missing length. If necessary, round to three decimal places. 
c = 13, a = 5
A. 4.243 B. 2.828 C. 12 D. 13.928
Mathematics