Solve the problem.For a certain drug, the rate of reaction in appropriate units is given by 
where t is measured in hours after the drug is administered. Find the total reaction to the drug from 
to 
A. 7.26
B. 21.86
C. 21.89
D. 10.95
Answer: A
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Solve the problem.A chemist has two solutions that contain different concentrations of a certain acid. One is a 4% concentration and the other is an 11% concentration. How many cubic centimeters of each should the chemist mix to obtain 50 cm3 of a solution with an acid concentration of 
?
A. 24 cc of the 4% solution and 26 cc of the 11% solution B. 26 cc of the 4% solution and 24 cc of the 11% solution C. 25 cc of the 4% solution and 25 cc of the 11% solution D. No solution
Write the expression as one logarithm.log 
+ log x6 - log x2
A. 7 log x
B. 
log x
C. 
log x
D. 11 log x
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Decide whether the relation is a function.?
A. Function B. Not a function