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Interpreting the Graph of a Function


Videos to help Algebra I students learn how to create tables and graphs of functions and interpret key features including intercepts, increasing and decreasing intervals, and positive and negative intervals.

New York State Common Core Math Module 3, Algebra I, Lesson 13

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Common Core For Algebra I

Lesson 13 Exit Ticket Sample Solutions

1. Estimate the time intervals when mean energy use is decreasing on an average summer day. Why would power usage be decreasing during those time intervals?

2. The hot summer day energy use changes from decreasing to increasing and from increasing to decreasing more frequently than it does on an average summer day. Why do you think this occurs?

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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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