Chapter 10: Problem 39
Find the future value of an \(\$ 8000\) investment if the interest rate is \(4.5 \%\) compounded monthly for 2 years.
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Chapter 10: Problem 39
Find the future value of an \(\$ 8000\) investment if the interest rate is \(4.5 \%\) compounded monthly for 2 years.
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In Exercises, use a calculator to evaluate the logarithm. Round to three decimal places. $$ \log _{2} 48 $$
The cumulative sales \(S\) (in thousands of units) of a new product after it has been on the market for \(t\) years are modeled by \(S=C e^{k / t}\) During the first year, 5000 units were sold. The saturation point for the market is 30,000 units. That is, the limit of \(S\) as \(t \rightarrow \infty\) is 30,000 . (a) Solve for \(C\) and \(k\) in the model. (b) How many units will be sold after 5 years? (c) Use a graphing utility to graph the sales function.
In Exercises, graph and analyze the function. Include any relative extrema and points of inflection in your analysis. Use a graphing utility to verify your results. $$ y=x \ln x $$
In Exercises, determine the principal \(P\) that must be invested at interest rate \(r\), compounded continuously, so that \(\$ 1,000,000\) will be available for retirement in \(t\) years. $$ r=10 \%, t=25 $$
In Exercises, determine whether the statement is true or false given that \(f(x)=\ln x .\) If it is false, explain why or give an example that shows it is false. $$ f(x-2)=f(x)-f(2), \quad x>2 $$
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