For our real world function, my partner sharmane and I chose 9th grader's, in Ms.Abernethy's 3rd period class, 1st period classes. Our

**Independent Variables**are the students. And the

**Dependent Variables**are the 1st period teachers. Our

**Domain**are the 9th grade students' names. {Christine, Sharmane, MinYing}. And the

**Range**are the 1st period teachers' names. {Ms.Gao, Ms.Citragno, Mr.Tam}. For our graph to be a function each student must only have one 1st period student. An example is that Sharmane only has Ms.Citragno as her 1st period teacher. When our graph is not a function it must mean that the counselors messed up someones schedule and gave them 2 different 1st period classes. That means they would have 2 different teachers. For example, if my schedule said that I had Mr.Tam and Ms.Gao 1st period I would be confused and not know which class to go to. It also means that my schedule could not be a real schedule.

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