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# Domain & range intro presentation

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• ### Domain & range intro presentation

1. 1. Domain and Range Independent & Dependent Variables
2. 2. Quick Review Possible x-values for EF-12: y = 4 − x −1 Possible x-values for Sharpening Pencils Lab (Length of the pencil) Sharpening Pencils Lab Independent Variable: Length or the mass?
3. 3. Domain Set of possible values that the independent variable can take on has a special name. It is called the DOMAIN of the function. It consists of every number that x can represent for your function.
4. 4. Interval Notation An alternative to using inequalities to describe a span of values. Includes smallest value, largest value and enclosed by ( ) or [ ]. We use ( ) if the endpoints are not included - so if we have < or > or open endpoints on a graph. We use [ ] if the endpoints are included - so if we have ≤ or ≥ or closed endpoints on a graph.
5. 5. Interval Notation Examples Rewrite the inter vals below in set notation: 1.) − 6 ≤ x ≤ 3 3.) − 1 < x ≤ 10 2.)0 < x < 17 4.) − 2 ≤ x < 29
6. 6. Quick Review Possible y-values for EF-12: y = 4 − x −1 Possible y-values for Sharpening Pencils Lab (Length of the pencil) Sharpening Pencils Lab Dependent Variable: Length or the mass?
7. 7. Range The RANGE of a function is the set of possible values of the dependent variable. It consists of every number that y can represent for your function.
8. 8. EF-51 Domain Range
9. 9. EF-51 Domain Range
10. 10. EF-51 Domain Range
11. 11. EF-51 Domain Range