A cleaning process is removing salt from a pool. The amount S, in pounds, of salt remaining after t hours is given in the following table. Use exponential regression to model the amount of salt remaining as a function of time. Round your answer to two decimal places.
t 1.38 4.99 8.95 12.60 15.70 S 23.62 12.48 7.10 3.41 2.10?
A. 
B. ?
C. ?
D. ?
Answer: A
Mathematics
You might also like to view...
Write the number in decimal notation.The average high temperature in Death Valley, averaged over one week, was one hundred twenty-two and fifty-two hundredths °F.
A. 122.502 °F B. 122.0502 °F C. 122.52 °F D. 122.052 °F
Mathematics
Find the limit.
A. 1
B. 0
C. 
D. No limit
Mathematics
Graph the system of linear inequalities.2x + y ? 4 and x - 1 > 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Give the answer to the nearest tenth.The position of an object moving in a straight line is given by s = t2 - 8t, where s is in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 18 feet?
A. 9.6 sec B. 9.8 sec C. 18.0 sec D. 19.0 sec
Mathematics