Solve the inequality.
? 2x
A. [0, 2] or [4, ?)
B. (-?, 0] or [2, 4)
C. [4, ?)
D. (-?, 2] or [4, ?)
Answer: B
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Provide an appropriate response.The primary difference between preferred and common stock is that preferred stock:
A. guarantees a specific dividend to the stockholder B. dividends are distributed after common stockholders C. all of these apply to preferred stock D. includes voting rights
Solve the problem.A railroad tunnel is shaped like a semiellipse. The height of the tunnel at the center is 35 ft and the vertical clearance must be 21 ft at a point 8 ft from the center. Find an equation for the ellipse. 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Decide whether or not the functions are inverses of each other.
A. No B. Yes
Set up the percent proportion, and write "unknown" for the value that is not given. Recall that the percent proportion is 
= 
. Do not try to solve for any unknowns.21.5% of 75 is what?
A. 
= 
B. 
= 
C. 
= 
D. 
= 