Chapter 3

Evaluating Limits

IN THIS CHAPTER

Bullet Solving limits with algebra

Bullet Finding limits at infinity

Chapter 2 introduces the concept of a limit. This chapter gets down to the nitty-gritty and presents several techniques for calculating the answers to limit problems.

Easy Limits

A few limit problems are very easy.

Limits to memorize

You should memorize the following limits. If you fail to memorize the last three, you’ll waste a lot of time trying to figure them out.

  • math

    (math is a horizontal line, so the limit — which is the function height — must equal c regardless of the x-number.)

  • math
  • math
  • math
  • math
  • math

Plug-and-chug ...

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