Presentation on theme: "Conjunction Junction What’s Your Function? Functions at their finest…"— Presentation transcript:
Conjunction Junction What’s Your Function? Functions at their finest…
What is a Function? (Mathematically speaking…) A function is a one-to-one correspondence For every x, there is a unique value for y
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
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).
What does this look like as a graph?
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)
What this looks like as a graph
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.