Algebra I.1.A.04 - Analyzing Graphs—Water Usage During a Typical Day at School - Exit Ticket

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2 questions

Suppose the researchers collecting data for water consumption during a typical school day collected data through the night too. For the period between the time the last person leaves the building for the evening and the time of the arrival of the first person the next morning, how should the graph of water consumption appear?

Suppose the researchers see instead, from the time 1:21 a.m. onwards, the graph shows a horizontal line of constant value, 4. What might have happened during the night?

From EngageNY.org of the New York State Education Department. Grade Algebra i Mathematics Module 1, Topic A, Lesson 4. Internet. Available from https://www.engageny.org/resource/algebra-i-module-1...; accessed 10/Oct/2015.