In an adiabatic process (one in which no heat transfer takes place), the pressure P and volume V of an ideal gas such as oxygen satisfy the equation 
where C is a constant. Suppose that at a certain instant of time, the volume of the gas is 2L, the pressure is 100 kPa, and the pressure is decreasing at the rate of 5 kPa/sec. Find the rate at which the volume is changing.
What will be an ideal response?
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Identify the problem with the method used to obtain a random sample.A magazine wishes to research the opinions of its readers on the topic of gun control. The editor of the magazine places a questionnaire in this month's issue of the magazine. The sample will consist of the readers who respond to the questionnaire.
A. People who are not regular readers of the magazine have no chance of being selected. B. The readers who respond to the questionnaire will not be representative of all readers of the magazine as those with stronger feelings on the subject are more likely to take the time to respond. C. People who read the magazine are not representative of all magazine readers.
Find the real solutions of the equation.x2 + 5x - 
= 12
A. {
, 
}
B. {5}
C. {3}
D. {25, -25}
Find the requested expression for the function.If x represents the size of the order to replenish an inventory of computers, then the annual inventory cost is given by the function 
Simplify the expression for c(x) by performing the indicated addition.
A. c(x) = 
B. c(x) = 
C. c(x) = 
D. c(x) = 
Solve.The numerator of a fraction is 3 times the denominator. If 8 is subtracted from the numerator, and added to the denominator, the resulting fraction is equal to 
. What was the original fraction (not written in lowest terms)?.
A. 
B. 
C. 
D. 