Lesson: Limits by Direct Substitution Mathematics • Higher Education

In this lesson, we will learn how to use the direct substitution method to evaluate limits.

Lesson Plan

Objectives

Students will be able to

  • use the direct substitution method to find limits of constant, polynomial, radical, rational, trigonometric, exponential, and absolute value functions,
  • determine the value of a constant in a function given its limit at a point.

Prerequisites

Students should already be familiar with

  • limit notation,
  • finding limits from tables and graphs.

Exclusions

Students will not cover

  • properties of limits,
  • evaluating limits using algebraic techniques,
  • limits at infinity and unbounded limits.

Lesson Video

Video Thumbnail
16:08

Lesson Explainer

Sample Question Videos

  • 02:38
  • 02:20
  • 02:46

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