Find the product.(w - 9)2
A. w2 - 18w + 81
B. w + 81
C. 81w2 - 18w + 81
D. w2 + 81
Answer: A
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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 = - 
+ 
Provide an appropriate response.You mention to an acquaintance that you wish to buy a Rolex watch, but the model you're interested in is too expensive for your budget. He says that his cousin sells watches, and he'll see if he can get you a deal. Sure enough, his cousin offers you the same watch for 50% of the price. Does this sound like a deal worth taking?
What will be an ideal response?
Provide an appropriate response. Solve for x: log (x -- 3) = 1
A. x = 13 B. x = 7 C. x = 10 D. x = 4
Determine whether the equation is linear or nonlinear.x2 - 2 = 15
A. linear B. nonlinear