Write an equation that results in the indicated translation.The square root function, shifted 2 units downward
A. y = 
+ 2
B. y = 
- 2
C. y = 
D. y = 
Answer: B
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Solve the problem.The Redlich-Kwong equation provides an approximate model for the behavior of real gases. The equation is 
where P is pressure, V is volume, T is Kelvin temperature, and a,b , and R are constants. Find the derivative of the function with respect to each variable.
A. PV = 
+ 
; PT = - 
+ 
B. PV = 
- 
; PT = 
+ 
C. PV = 
+ 
; PT = 
- 
D. PV = 
- 
; PT = 
+ 
Solve the problem.Find the acceleration at time t = 4 s if the position (in cm) of a particle moving along a line is 
at time t.
A. 317 cm/s B. 138 cm/s2 C. 138 cm/s D. 317 cm/s2
For an election with four candidates (A, B, C, and D) we have the following preference schedule:
The ranking of the candidates using the plurality-with-elimination method is
A. first: C; second: A; third: D; fourth: B. B. first: C; second: A; third: B; fourth: D. C. first: C; second: D; third: A; fourth: B. D. first: D; second: C; third: A; fourth: B. E. none of these
Find the cross-product and determine whether the proportion is true or false.
= 
A. 4 ? 16; false B. 8 = 8; true C. 16 = 16; true D. 2 ? 32; false