The value V, in dollars, of a certain investment after t years is given in the table below. Use exponential regression to model the value as a function of time. Round your answer to two decimal places.
t 2 4 6 8 10 V 2,837.81 3,026.40 3,280.19 3,550.18 3,831.51?
A. ?
B. ?
C. 
D. ?
Answer: C
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A. 7 B. 3 C. 5 D. 2
Evaluate the improper integral or state that it is divergent. 
A. 25 ln
B. 25 ln 
C. 
2
D. 25 ln 2
Solve the problem.Each day the commuter train transports x passengers to or from the city at $1.75/passenger. The daily fixed cost for running the train is $1200. Write an equation that relates the daily profit, P, in dollars to the number of passengers each day. Then use the equation to find the daily profit when the train has 920 passengers in a day.
What will be an ideal response?
Estimate the quotient by rounding.
A. 
B. 13
C. 84
D. 14