Find the sum.
A. 1037.5
B. 1175
C. 1075
D. 1262.5
Answer: C
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Solve the problem.Decide which of the rational functions might have the given graph. 
A. f(x) = 1 - 
B. f(x) = 
- 1
C. f(x) = 1 + 
D. f(x) = 1 - x
Solve the inequality. Express your answer using interval notation. Graph the solution set.
> -2
A. (-?, -2) ? (2, ?)
B. [-2, ?)
C. (-2, 2)
D. (-?, ?)
Perform the indicated operation and round as indicated.-4.79 ÷ (-0.062) hundredths
A. 7.73 B. 7.78 C. 77.76 D. 77.26
The revenue from a manufacturing process (in millions of dollars per year) is projected to follow the model 
for 10 years. Over the same period of time, the cost (in millions of dollars per year) is projected to follow the model 
, where t is the time (in years). Approximate the profit over the 10-year period, beginning with t = 0.
Round your answer to two decimal places. ? A. $3,236.83 million B. $3,293.50 million C. $3,203.50 million D. $3,235.67 million E. $3,295.67 million