Solve the problem.Suppose that the amount in grams of a radioactive substance present at time t (in years) is given by A(t) = 630e-0.88t. Find the rate of change of the quantity present at the time when t = 6.
A. 2.8 grams per year
B. 193.2 grams per year
C. -193.2 grams per year
D. -2.8 grams per year
Answer: D
Mathematics
You might also like to view...
The concentration of hydrogen ions in blood is 3.98 × 10-8. What is the pH of blood?
A. 8.0 B. 3.98 C. 6.6 D. 7.4
Mathematics
Use roster notation to write the set.The set of all odd natural numbers between 4 and 14
A. {5, 13} B. {6, 8, 10, 12} C. {5, 9, 13} D. {5, 7, 9, 11, 13}
Mathematics
Simplify.(-11 + 27) ÷ 8 - 25
A. 27 B. -23 C. -27 D. 23
Mathematics
Convert to fractional notation.20%
A.
B.
C.
D.
Mathematics