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Characteristics of a graph

Characteristics of a graph. Finding Domain & Range Given:. Discrete graphs – you just LIST the domain and range (don’t repeat and list in order from least to greatest) Continuous graphs – use interval notation (least, greatest). Set Notation Uses:.

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Characteristics of a graph

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  1. Characteristics of a graph

  2. Finding Domain & Range Given: • Discrete graphs – you just LIST the domain and range (don’t repeat and list in order from least to greatest) • Continuous graphs – use interval notation (least, greatest)

  3. Set Notation Uses: Is used when there is a open dot or the number is NOT included on the graph. Is used when there is a closed dot or when the number is included on the graph. Is used when one number is excluded.

  4. Domain and Range: Graph

  5. Domain and Range: Graph

  6. Domain and Range: Graph

  7. Domain and Range: Graph

  8. Domain and Range: Graph Special case: When there is an open circle and closed circle on the same number – go with the closed circle.

  9. Domain and Range: Graph Special case: When there is an open circle and closed circle on the same number – go with the closed circle.

  10. Domain and Range: Graph

  11. Domain and Range: Graph

  12. Domain and Range: Graph

  13. Domain and Range: Graph All Real Numbers

  14. Domain and Range: Graph

  15. Domain and Range: Graph All Real Numbers

  16. Increasing and Decreasing To find where the graph is increasing and decreasing trace the graph with your FINGER from left to right. x-values ONLY!

  17. Increasing & Decreasing MOVE LEFT TO RIGHT • If your finger goes UP, the graph is increasing. • If your finger goes DOWN, the graph is decreasing. • If your finger goes neither up or down…then the graph is CONSTANT.

  18. Find the interval of decrease. The x-values where the graph is going down. Decreasing

  19. Find the interval of increase The x-values where the graph is going up. Increasing

  20. Interval of increase: Interval of decrease:

  21. Interval of increase: Interval of decrease:

  22. a b x a b x a b x a b x a x a x Interval Notation

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