Decide whether or not the functions are inverses of each other.f(x) = (x - 2)2, x ? 2; g(x) = 
+ 2
A. Yes
B. No
Answer: A
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Solve.The average value of a certain type of automobile was $20,460 in 2006 and depreciated to $14,880 in 2011. Let y be the average value of the automobile in the year x, where x = 0 represents 2006. Write a linear equation that relates value y to year x.
A. y = -1116x + 9300
B. y = - 
x - 14880
C. y = -1116x + 14,880
D. y = -1116x + 20,460
Perform the indicated operation.(2m2n4)(5m2n2)
A. 10mn4 B. 10m4n C. 10mn6 D. 10m4n6
Identify the figure as a line, line segment, or ray and name it using the appropriate symbol.
A. Line named 
or 
B. Ray named 
or 
C. Ray named 
D. Line named 
Solve.If the temperature is held constant, the pressure that a gas exerts against the walls of a container is inversely proportional to the volume of the container. A gas is inside a cylinder with a piston at one end that can vary the volume of the cylinder. When the volume of the cylinder is 
, the pressure inside is 
At what volume will the pressure inside be 36 kg/cm2?
A. 140 cm3 B. 391 cm3 C. 154 cm3 D. 411 cm3