1. 1.7a: Discrete and Continuous Graphs
Do Now
Graph the function y = 4x – 3 with the domain of 1, 2, 3, 4, and 5.
Write a rule for this function: X 3 4 6 y 15 20 30
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1.7a: Discrete and Continuous Graphs

2. 1.7a: Discrete and Continuous Graphs
Worksheet Answers
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1.7a: Discrete and Continuous Graphs

3. 1.7a: Discrete and Continuous Graphs
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1.7a: Discrete and Continuous Graphs

4. Describing Graphs and Discrete vs Continuous Graphs
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1.7a: Discrete and Continuous Graphs

5. 1.7a: Discrete and Continuous Graphs
CBR
CBR stands for Calculator Based Ranger
Sound Waves
Motion Detector
Measures Distance vs. Time
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1.7a: Discrete and Continuous Graphs

6. 1.7a: Discrete and Continuous Graphs
Defintions
DISCRETE GRAPH has a graph that consists of isolated points
Scatter plots
Tables
Points
CONTINUOUS GRAPH is a graph that is unbroken
Line, situational graphs
Compounded inequalities
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1.7a: Discrete and Continuous Graphs

7. 1.7a: Discrete and Continuous Graphs
Example 1
If given an example of a table, graph, label whether it is discrete or continuous graph, and determine what the domain and range are x y –2 1 –1 2 3
Discrete Graph
D: {0, 1, 2, 3}
R: {–2, –1, 0, 1}
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1.7a: Discrete and Continuous Graphs

8. 1.7a: Discrete and Continuous Graphs
Example 2
If given an example of a graph, label whether it is discrete or continuous graph. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Continuous Graph
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1.7a: Discrete and Continuous Graphs

9. 1.7a: Discrete and Continuous Graphs
Example 3
The situation, “Little Johnny was going to the store from home,” is an example of discrete or continuous? Why?
Continuous
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1.7a: Discrete and Continuous Graphs

10. 1.7a: Discrete and Continuous Graphs
Your Turn
The situation, “Little Johnny was keeping a daily outside diary of temperatures for the month of July,” is an example of discrete or continuous? Why?
Discrete
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1.7a: Discrete and Continuous Graphs

11. 1.7a: Discrete and Continuous Graphs
Example 4
y = 3x – 4 where the domain is x is greater than zero, is it discrete or continuous?
Continuous Graph
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1.7a: Discrete and Continuous Graphs

12. 1.7a: Discrete and Continuous Graphs
Your Turn
y = 0.5x where the domain is at –2, –1, and 0. Is it discrete or continuous?
Discrete
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1.7a: Discrete and Continuous Graphs

13. 1.7a: Discrete and Continuous Graphs
Assignment
Worksheet
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1.7a: Discrete and Continuous Graphs