Chapter 4: Problem 4
Can you solve \(5^{x}=125\) using a One-to-One Property?
Short Answer
Step by step solution
Key Concepts
These are the key concepts you need to understand to accurately answer the question.
/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none}
Learning Materials
Features
Discover
Chapter 4: Problem 4
Can you solve \(5^{x}=125\) using a One-to-One Property?
These are the key concepts you need to understand to accurately answer the question.
All the tools & learning materials you need for study success - in one app.
Get started for free
What type of visual display can you create to get an idea of which type of model will best fit the data set?
(a) complete the table to find an interval containing the solution of the equation, (b) use a graphing utility to graph both sides of the equation to estimate the solution, and (c) solve the equation algebraically. Round your results to three decimal places. $$3 \ln 5 x=10$$ $$\begin{array}{|l|l|l|l|l|l|}\hline x & 4 & 5 & 6 & 7 & 8 \\\\\hline 3 \ln 5 x & & & & & \\\\\hline\end{array}$$
Solve the equation algebraically. Round the result to three decimal places. Verify your answer using a graphing utility. $$-x e^{-x}+e^{-x}=0$$
Use the zero or root feature of a graphing utility to approximate the solution of the logarithmic equation. $$e^{x} \log _{10} x=7$$
The table shows the percents \(P\) of women in different age groups (in years) who have been married at least once. (Source: U.S. Census Bureau) $$\begin{array}{|c|c|}\hline \text { Age group } & \text { Percent, } P\\\\\hline 18-24 & 14.6 \\\25-29 & 49.0 \\\30-34 & 70.3 \\\35-39 & 79.9 \\\40-44 & 85.0 \\\45-49 & 87.0 \\\50-54 & 89.5 \\\55-59 & 91.1 \\\\\hline\end{array}$$ (a) Use the regression feature of a graphing utility to find a logistic model for the data. Let \(x\) represent the midpoint of the age group. (b) Use the graphing utility to graph the model with the original data. How closely does the model represent the data?
What do you think about this solution?
We value your feedback to improve our textbook solutions.