Determine if the sequence is an arithmetic sequence, a geometric sequence, or neither. If it is either arithmetic or geometric, give the next term in the sequence.1458, 486, 162, 54, 18, . . .
A. neither
B. geometric; 6
C. arithmetic; 6
Answer: B
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Solve the problem.Boyle's law states that if the temperature of a gas remains constant, then PV = c. where P is the pressure, V is the volume, and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 11 in. 3/s, at what rate is P increasing when P = 40 lb/in.2 and V = 80 in.3?
A. 
lb/in.2-s
B. 
lb/in.2-s
C. 22 lb/in.2-s
D. 
lb/in.2-s
Write the inequality in interval notation.x ? -3
A. (-?, -3] B. (-3, ?) C. [-3 ?) D. (-?, -3)
Find the slope-intercept form of the linear function f whose graph passes through the given pair of points. (-7, -3) and (-2, -7)
A. f(x) = - 
x - 
B. f(x) = - 
(x + 7) - 3
C. f(x) = 
x - 
D. f(x) = 
x + 
Solve the problem.The temperature of the water in a certain lake on a day in October can be determined by using the model 
where x is the depth in feet and y is the Celsius temperature of the water. Based on this model, at what depth is the temperature of the water 12 degrees Celsius? Round to the nearest foot.
A. 25 ft B. 51 ft C. 62 ft D. 6 ft