# Math, Functions

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• Functions By Bryan, Francisco, and Luis
• -Non-function- A non-function is a relationship when one (x) value can not equal to one (y) value.
• -FUNCTIONS- A function is a relationship between one x value and a y value.
• Ordered Pairs {(2,-2), (3,-8), (-5,7)}
• x y
• -NON-LINEAR FUNCTIONS- Non-Linear Functions are functions that don't fit in the form y=mx+b.
• What are 4 ways to identify a function?
• Data Table
• 1 2 3 4
• 1 2 3 4
• 1 3 7 8
• Mapping Diagram
• Graph
• 5 -5 8 4
• How do you tell the difference between a linear function and a non-linear function?
• -Non-Linear Function- /Doesn't form a straight line when graphed/Doesn't have a constant rate of change/Doesn't show a proportional relationship/
• -Linear function- /Forms a straight line when graphed/Has a constant rate of change/Shows a proportional relationship/
• -Linear functions- A linear function is a function that fits in the form y=mx+b.
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