Simplify the complex rational expression.
A. - 
B. - 
C. - 
D. - 
Answer: C
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Make a numerical representation (table) of f for x = -2, -1, . . . , 2 then graph the function. Round table values to the nearest hundredth when necessary.f(x) = 
x - 
A. 
B. 
C. 
D. 
Solve.A plane makes a 240-mile trip against a head wind in 1 hour and 30 minutes and returns, with a tail wind of the same speed, in 1 hour. What is the speed of the wind?
A. 80 mph B. 200 mph C. 40 mph D. 160 mph
Solve the problem.A check register is shown in the table below. Find the final balance of the checking account.
A. 
The final balance of the checking account is 1104.17 dollars.
B. 
The final balance of the checking account is -561.33 dollars.
C. 
The final balance of the checking account is 476.69 dollars.
D. 
The final balance of the checking account is 442.11 dollars.
Solve the problem.The manufacturer of a CD player has found that the revenue R (in dollars) is
when the unit price is p dollars. If the manufacturer sets the price p to maximize revenue, what is the maximum revenue to the nearest whole dollar?
A. $950,625 B. $1,901,250 C. $237,656 D. $475,313