Concept explainers
The logistic growth function
models the percentage, P(x) of Americans who are x years old with some coronary heart disease. Use the function to solve Exercises 43–
At what age is the percentage of some coronary heart disease 70%?
Want to see the full answer?
Check out a sample textbook solutionChapter 4 Solutions
Learning Guide For College Algebra
Additional Math Textbook Solutions
Elementary & Intermediate Algebra
Beginning and Intermediate Algebra
High School Math 2012 Common-core Algebra 1 Practice And Problem Solvingworkbook Grade 8/9
Differential Equations and Linear Algebra (4th Edition)
Algebra 1
- Rachel invests $15,000 at age 25. She hopes the investments will be worth when she turns 40. If the interest compounds continuously, approximately what rate of growth will she need to achieve her goal?arrow_forwardHector invests $10,000 at age 21. He hopes the investments will be worth when he turns 50. If the interest compounds continuously, approximately what rate of growth Will he need to achieve his goal?arrow_forwardWhat is the y -intercept on the graph of the logistic model given in the previous exercise?arrow_forward
- An investment account was opened with aninitial deposit of 9,600 and earns 7.4 interest,compounded continuously. How much will theaccount be worth after 15 years?arrow_forwardJerome invests $18,000 at age 17. He hopes the investments will be worth $30,000 when he turns 26. If the interest compounds continuously, approximately what rate of growth will he need to achieve his goal? Is that a reasonable expectation?arrow_forwardWhat is the difference between the equation for exponential growth versus the equation for exponential decay?arrow_forward
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage
- Trigonometry (MindTap Course List)TrigonometryISBN:9781337278461Author:Ron LarsonPublisher:Cengage Learning