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Lesson 7 - Unit 4 - Algebra 1 - Illustrative Mathematics

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8.

The height, in feet, of a squirrel running up and down a tree is a function of time, in seconds.

Here are statements describing the squirrel’s movement during four intervals of time. Match each description with a statement about the average rate of change of the function for that interval.

Draggable itemarrow_right_altCorresponding Item

The squirrel runs down the tree.

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The average rate of change is large and positive.

The squirrel runs up the tree very fast.

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The average rate of change is zero.

The squirrel runs up the tree slowly.

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The average rate of change is negative.

The squirrel starts and ends at the same height.

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The average rate of change is small and positive.

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12.

Jada walks to school. The function D gives her distance from school, in meters, as a function of time, in minutes, since she left home.

What does D(10)=0 represent in this situation?

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Jada walks to school. The function D gives her distance from school, in meters, t minutes since she left home.

Which equation tells us “Jada is 600 meters from school after 5 minutes”?

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This lesson is from Illustrative Mathematics. Algebra 1, Unit 4, Lesson 7. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/1/4/7/index.html ; accessed 26/July/2021.

IM Algebra 1, Geometry, Algebra 2 is © 2019 Illustrative Mathematics. Licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).

The Illustrative Mathematics name and logo are not subject to the Creative Commons license and may not be used without the prior and express written consent of Illustrative Mathematics.

These materials include public domain images or openly licensed images that are copyrighted by their respective owners. Openly licensed images remain under the terms of their respective licenses. See the image attribution section for more information.

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