Solve the problem.The formula D = 8e-0.6hcan be used to find the number of milligrams D of a certain drug that is in a patient's bloodstream h hours after the drug has been administered. The drug is to be administered again when the amount in the bloodstream reaches 4 milligrams. What is the time between injections?
Fill in the blank(s) with the appropriate word(s).
about 1.2 hours
Mathematics
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Find the nth term of the arithmetic sequence with the given values.a1 = -1, d = 
, n = 36
A. 14
B. 
C. - 
D. - 16
Mathematics
Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics
Determine whether the function is one-to-one.f(x) = 3x + 6
A. One-to-one B. Not one-to-one
Mathematics
Solve the equation using the quadratic formula.6 = - 
- 
A. 
B. 
C. 
D. 
Mathematics