Extra Practice exercises are downloadable worksheets of additional practice exercises. Print out these worksheets, work through the exercises, then check your work against the answer page.

Once you've practiced and reviewed exponential and logarithmic functions, consider their everyday uses. Refer back to page 751, the first page of Chapter 12 in your Introductory and Intermediate Algebra textbook and review the application on the world demand for timber.

Here's your chance to explore the World Wide Web and practice your new skills at the same time by visiting the U.N. Food and Agricultural Organization’s Web site , the source of the data used on page 751. Also, browse the other forestry-related sites listed to read industry news, or to learn about different forest products and resources.

After you've practiced and after you've explored, don't forget about your upcoming Chapter Test. Prepare for your exam by working through our Chapter 12 Review, and then check your answers. These free downloadable files are accessible by selecting the Chapter Review button at the top of this page.

Good luck!