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Conjunction Junction What’s Your Function? Functions at their finest…

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Presentation on theme: "Conjunction Junction What’s Your Function? Functions at their finest…"— Presentation transcript:

1 Conjunction Junction What’s Your Function? Functions at their finest…

2 What is a Function? (Mathematically speaking…) A function is a one-to-one correspondence For every x, there is a unique value for y

3 What is a Function? (From a Girl’s point of view…) X can only have one Y value X (boys) can only have one Y (girlfriend) For instance X Y

4 Why boys can’t “cheat”… Boys are not allowed to “cheat” on girls (x can only have one y) This is illegal X Y The same boy (x) has two different girls (y).

5 What does this look like as a graph?

6 Why girls can “cheat”… Y (girls) can have more than one X (boys) This is legal X Y The same girl (Y) has two different boys (X)

7 What this looks like as a graph

8 Vertical Line Test If you draw vertical lines through the graph and the line only crosses the graph once, it IS a function. If you draw vertical lines through the graph and the line crosses the graph more than once, it is NOT a function.

9 Let’s Practice! Is it a function?

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12 X Y Why or why not???


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