Solve the problem.The Redlich-Kwong equation provides an approximate model for the behavior of real gases. The equation is P(V, T) = 
- 
, where P is pressure, V is volume, T is Kelvin temperature, and a,b , and R are constants. Find the partial derivative of the function with respect to each variable.
A. PV = 
- 
; PT = 
+ 
B. PV = 
- 
; PT = 
+ 
C. PV = 
+ 
; PT = 
- 
D. PV = 
+ 
; PT = - 
+ 
Answer: B
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Use a trigonometric substitution to evaluate the integral.
A. tan-1 
+ C
B. sinh-1 
+ C
C. sin-1 
+ C
D. cosh-1 
+ C
Complete the ordered pairs. Then graph the equation.y = 2x - 4(0, ), ( , 0), (2, )
A. (0, -4), (-2, 0), (2, -8)
B. (0, -4), (2, 0), (2, 0)
C. (0, 4), (-2, 0), (2, 8)
D. (0, -4), (-8, 0), (2, -3)
Identify the following as a proper fraction, improper fraction, or a mixed number.
A. improper fraction B. proper fraction C. mixed number
Given that the x- and y-coordinates of a moving particle are given by the indicated parametric equations, find the magnitude and direction of the acceleration for the specific value of t.x = 4t2 - 1, y = -2t2 - 6, t = 8
A. 8.94; 333.4° B. 8.94; 153.4° C. 71.55; 153.4° D. 71.55; 333.4°