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2.1 “Relations & Functions” Relation: a set of ordered pairs. Function: a relation where the domain (“x” value) does NOT repeat. Domain: “x” values Range:

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Presentation on theme: "2.1 “Relations & Functions” Relation: a set of ordered pairs. Function: a relation where the domain (“x” value) does NOT repeat. Domain: “x” values Range:"— Presentation transcript:

1 2.1 “Relations & Functions” Relation: a set of ordered pairs. Function: a relation where the domain (“x” value) does NOT repeat. Domain: “x” values Range: “y” values Cartesian Coordinate Plane:

2 Definitions Discrete Function: ordered pairs that are NOT connected. Continuous Function: ordered pairs that are connected in a line or a smooth curve. Vertical Line Test: used to determine if the relation is a function.

3 Examples State whether the relation is a function: 1. 100 201 255 307 2. x y -3 -5 4 -5 -8 -5 3.

4 F(x) & G(x) Problems Find the value if f(x) = 3x – 5 and g(x) = x 2 – 3x + 2: 1.f (-3) 2.g (2m) 3. f (6y) 4. g (5)

5 Mapping & Graphing Represent the function using mapping and graphing: 1. (-3, 5), (2, 0), (4, -1), (-5, 1)

6 Graphing Equations 3.


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