Chapter 4: Problem 92
Solve each equation. Find the exact solutions. $$\log _{4}(x)=\frac{1}{3}$$
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Chapter 4: Problem 92
Solve each equation. Find the exact solutions. $$\log _{4}(x)=\frac{1}{3}$$
These are the key concepts you need to understand to accurately answer the question.
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Solve each problem. When needed, use 365 days per year and 30 days per month. Present Value Compounding Continuously Peoples Bank offers \(5.42 \%\) compounded continuously on CDs. What amount invested now would grow to \(\$ 20,000\) in 30 years. Hint Solve the continuous compounding formula for \(P\).
Let \(f(x)=3^{x-5}\) and \(g(x)=\log _{3}(x)+5 .\) Find \((g \circ f)(x)\).
Solve each equation. Find the exact solutions. $$\log _{32}(64)=x$$
Crude Oil Prices The average cost in dollars of a barrel of domestic crude oil for each year from 2000 to 2008 is shown in the accompanying table (www.inflationdata.com). $$\begin{array}{|c|c|} \hline \text { Year } & \begin{array}{c} \text { Cost } \\ \text { per Barrel } \end{array} \\ \hline 2000 & 27 \\ 2001 & 23 \\ 2002 & 23 \\ 2003 & 28 \\ 2004 & 38 \\ 2005 & 50 \\ 2006 & 58 \\ 2007 & 64 \\ 2008 & 130 \\ \hline \end{array}$$ a. Use exponential regression on a graphing calculator to find the best- fitting curve of the form \(y=a \cdot b^{x},\) where \(x=0\) corresponds to 2000 b. Use the exponential model from part (a) to predict the average price of a barrel of domestic crude in 2015 .
Solve \(\frac{3}{8}(x-5)=\frac{3}{2} x+\frac{5}{6}.\)
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