Limits and Continuity

Lesson 3

Math

Unit 9

11th Grade

Lesson 3 of 9

Objective


Sketch a slope graph from a linear piecewise function.

Criteria for Success


  1. Identify the slope for each piece of a continuous linear piecewise function.
  2. Define the variables of a slope graph where $$x$$ is the input and $$y$$ is the rate of change not the value of the function. 
  3. Describe why the endpoints of the slope graph of a linear piecewise function are exclusive, that is, they are not included in the sub domain of the piece of the slope graph.

Tips for Teachers


This lesson is aligned to the Learning Objectives and Essential Knowledge described in the College Board's AP Calculus AB and AP Calculus BC Course and Exam Description:

LO2.1A

LO2.1B (approaching)

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Anchor Problems


Problem 1

Sketch a graph that shows the slope over each interval.

Guiding Questions

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References

GeoGebra Derivative of a linear piecewise function

Derivative of a linear piecewise function by cconrad is made available by GeoGebra under the CC BY-NC-SA 3.0 license. Copyright © International GeoGebra Institute, 2013. Accessed June 12, 2018, 11:52 a.m..

Problem 2

Below is a sketch of a slope graph. Draw the sketch of the piecewise function.

Guiding Questions

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Target Task


Sketch the slope graph of $${{g(x)}}$$. On which intervals is $${{g(x)}}$$ increasing and decreasing?

Additional Practice


The following resources include problems and activities aligned to the objective of the lesson that can be used for additional practice or to create your own problem set.

  • Use this lesson to review the previous few lessons and incorporate a variety of practice. 
  • Give a piecewise function of the first derivative. Ask students to draw the graph of the first derivative and the original function. 
  • Find the slope graph from equations, without the graph. 
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Lesson 2

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Lesson 4

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