Solve.A board of length 
inches was cut into two pieces. If one piece is 
inches, express the length of the other board as a rational expression.
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Answer: D
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.x = 2y2, x = - 2y, y = 2
A. 
?
B. 
?
C. 
?
D. 
?
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Find the Cartesian coordinates of the given point.
A. 
B. 
C. 
D. 
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If a rock is thrown upward on the planet Mars with a velocity of 12m/s, its height in meters t seconds later is given by 
, Find the average velocity over the time interval [2, 3].
a. –0.6 m/s b. 4.4 m/s c. 2.4 m/s d. 3.4 m/s e. 1.4 m/s
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Use substitution to determine whether the given x-value is a solution of the equation.cos 2x = - 
, x = 
A. Yes B. No
Mathematics