Chapter 10: Problem 61
Write each logarithmic statement in exponential form. $$ \log _{10} 1=0 $$
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Chapter 10: Problem 61
Write each logarithmic statement in exponential form. $$ \log _{10} 1=0 $$
These are the key concepts you need to understand to accurately answer the question.
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Write as a single logarithm. Assume \(x>0 .\) \(\log (x+2)+\log (x+3)\)
Write as a single logarithm. Assume \(x>0 .\) \(\log _{4}(x+4)-2 \log _{4}(3 x+1)\)
Solve equation. \(\log _{3}(x+4)=2\)
The concentration of a drug injected into the bloodstream decreases with time. The intervals of time \(T\) when the drug should be administered are given by $$T=\frac{1}{k} \ln \frac{C_{2}}{C_{1}}$$ where \(k\) is a constant determined by the drug in use, \(C_{2}\) is the concentration at which the drug is harmful, and \(C_{1}\) is the concentration below which the drug is ineffective. (Source: Horelick, Brindell and Sinan Koont, "Applications of Calculus to Medicine: Prescribing Safe and Effective Dosage," UMAP Module 202.) Thus, if \(T=4,\) the drug should be administered every 4 hr. For a certain drug, \(k=\frac{1}{3}, C_{2}=5,\) and \(C_{1}=2 .\) How often should the drug be administered?
The domain of \(f(x)=a^{x}\) is \((-\infty, \infty),\) while the range is \((0, \infty) .\) Therefore, since \(g(x)=\log _{a} x\) defines the inverse of \(f,\) the domain of \(g\) is _____, while the range of \(g\) is _____.
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