Chapter 3: Problem 47
Use a graphing utility to graph the exponential function. $$s(t)=2 e^{0.12 t}$$
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Chapter 3: Problem 47
Use a graphing utility to graph the exponential function. $$s(t)=2 e^{0.12 t}$$
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Evaluate \(g(x)=\ln x\) at the indicated value of \(x\) without using a calculator. $$x=e^{-5 / 2}$$
Using the One-to-One Property In Exercises \(73-76,\) use the One-to-One Property to solve the equation for \(x\). .\(r\)\ln \left(x^{2}-2\right)=\ln 23$
Rewrite each verbal statement as an equation. Then decide whether the statement is true or false. Justify your answer. The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers.
Home Mortgage The total interest \(u\) paid on a home mortgage of \(P\) dollars at interest rate \(r\) for \(t\) years is $$u=P\left[\frac{r t}{1-\left(\frac{1}{1+r / 12}\right)^{12 t}}-1\right]$$ Consider a \(\$ 120,000\) home mortgage at \(7 \frac{1}{2} \%\) (a) Use a graphing utility to graph the total interest function. (b) Approximate the length of the mortgage for which the total interest paid is the same as the size of the mortgage. Is it possible that some people are paying twice as much in interest charges as the size of the mortgage?
The graph of \(f(x)=\log _{3} x\) contains the point \((27,3)\)
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