List the critical values of the related function. Then solve the inequality.
+ 
? 
A. -5 - 
, -4, -5 + 
, 1, 4; [-5 - 
, -4) ? [-5 + 
, 1) ? (4, ?)
B. -5 - 
, -4, -5 + 
, 1, 4; [-5 - 
, -4) ? [-5 + 
, 1) ? (4, ?)
C. -4 - 
, -5, -4 + 
, 1, 5; [-4 - 
, -5) ? [-4 + 
, 1) ? (5, ?)
D. No critical values; ?
Answer: A
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Solve the problem.The Van der Waals 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 = 
Multiply.(1)(-5)(-7)(-3)(3)
A. 105 B. -105 C. 315 D. -315
Use a calculator to find an approximation for the power. Round the answer to seven decimal places if necessary.
A. 823,543 B. 10,267.1079 C. 1452.33674 D. 139.38281
Solve the problem.A rock falls from a tower that is 208 ft high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)?
A. 13.9 s B. 14.4 s C. 3.6 s D. 2,704 s