Solve the problem.The number of people present at a stadium holding a big rock concert can be estimated with the following function: 
where y is the number of people present and x is the amount of time since 
on the day of the concert. Rewrite the model with x equal to the amount of time since 1.00 p.m.
A. y = 13,252(x + 2)0.74 + 0.54(x + 2) + 102
B. y = 13,252(x + 2)0.74 + 0.54x + 102
C. 
D. y = 13,252(x - 2)0.74 + 0.54x + 102
Answer: C
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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. Write the answer in descending order.-8y(2y2 - 7y - 7)
A. -16y3 + 56y2 + 56 B. -16y3 + 56y2 + 56y C. -16y2 + 56y + 56 D. -16y3 - 7y - 7
Answer the following statement(s) true (T) or false (F)
Simulations have the potential to help students understand the link between theoretical and experimental probability.
Convert the degree measure to radians, correct to four decimal places. Use 3.1416 for ?.-160°41'
A. -2.7945 B. -2.7745 C. -2.8045 D. -2.7845