Solve.
- 2 = 14
A. -5, 9
B. -9, 9
C. -23, 9
D. 19, 9
Answer: C
Mathematics
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Solve.When the temperature stays the same, the volume of a gas is inversely proportional to the pressure of the gas. If a balloon is filled with 81 cubic inches of a gas at a pressure of 14 pounds per square inch, find the new pressure of the gas if the volume is decreased to 27 cubic inches.
A. 42 pounds per square inch
B. 
pounds per square inch
C. 39 pounds per square inch
D. 28 pounds per square inch
Mathematics
The graph of the function f follows. Choose the graph of  FIGURE 1.png)
 multiple choice.png)
Mathematics
Solve.Fill in the missing digits in the problem.
A. 4, 3 B. 1, 2 C. 8, 6 D. cannot be determined
Mathematics
Find the largest open intervals where the function is concave upward.f(x) = 
A. (-?, ?) B. (0, ?), (-?, 0) C. (0, ?) D. (-?, 0)
Mathematics