Solve the logarithmic equation.ln x - ln (x - 9) = ln 3

A.
B. -6
C.
D. ?


Answer: C

Mathematics

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A. {(1, 2, 3)} B. {(-1, 2, -3)} C. ? D. {(0, 1, 2)}

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What will be an ideal response?

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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).

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