Chapter 4: Problem 52
Use the definition of a logarithm to solve for \(x\). $$ \log _{5} \sqrt{5}=x$$
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Chapter 4: Problem 52
Use the definition of a logarithm to solve for \(x\). $$ \log _{5} \sqrt{5}=x$$
These are the key concepts you need to understand to accurately answer the question.
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Refer to the following. The pH of a solution is defined as \(\mathrm{pH}=-\log \left[\mathrm{H}^{+}\right] .\) The concentration of hydrogen ions, \(\left[\mathrm{H}^{+}\right]\), is given in moles per liter, where one mole is equal to \(6.02 \times 10^{23}\) molecules. What is the concentration of hydrogen ions in a solution that has a pH of \(6.2 ?\)
Find the inverse of the given function. Then graph the given function and its inverse on the same set of axes. $$f(x)=\sqrt{x+3}, x \geq-3$$
Use the change-of-base formula to evaluate each logarithm using a calculator. Round answers to four decimal places. $$\log _{5} 0.65$$
Determine how long it takes for the given investment to double if \(r\) is the interest rate and the interest is compounded continuously. Assume that no withdrawals or further deposits are made. Initial amount: \(\$ 2700 ; r=7.5 \%\)
Determine how long it takes for the given investment to double if \(r\) is the interest rate and the interest is compounded continuously. Assume that no withdrawals or further deposits are made. Initial amount: \(\$ 1500 ; r=6 \%\)
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