LEARN NC

K–12 teaching and learning · from the UNC School of Education

Goal 2

Algebra - The learner will use relations and functions to solve problems.

Objective 2.01

Use the composition and inverse of functions to model and solve problems; justify results.

Resources aligned to this objective

Lesson plans on the web

Light it up
In this Illuminations lesson, students are presented with a real-world problem: Given a mirror and laser pointer, determine the position where one should stand so that a reflected light image will hit a designated target. This investigation allows students to develop several rational functions that models three specific forms of a rational function. (Learn more)
Format: lesson plan (grade 9–12 Mathematics)
Provider: National Council of Teachers of Mathematics