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# Piecewise part 1 worked 3rd

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Piecewise Day 1 Notes

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### Piecewise part 1 worked 3rd

1. 1. What do we need to do to get better?
2. 2. Piecewise Functions Mrs. Ramsey
3. 3. EvaluatingEvaluating Evaluate theEvaluate the piecewise for thepiecewise for the following:following: X= 2X= 2 X= 4X= 4 X= -2X= -2    −>+− −≤+ = 2,52 2,3 )( xx xx xf
4. 4. EvaluatingEvaluating Evaluate theEvaluate the piecewise for thepiecewise for the following:following: X = 1X = 1 X = 4X = 4 X = -3X = -3 X = 0X = 0 X = 7X = 7        >+ − ≤<−+ −≤− = 1, 3 5 3 2 13,23 3, )( xx xx xx xf
5. 5. Graph, state domain and range, evaluate.    −>+− −≤+ = 2,52 2,3 )( xx xx xf
6. 6. Graph, state domain and range, evaluate.      ≥+− <− = 4,11 4 3 4,42 )( xx xx xf
7. 7. Graph, state domain and range, evaluate.        >+ − ≤<−+ −≤ = 1, 3 5 3 2 13,23 3, )( 2 xx xx xx xf
8. 8. Graph, state domain and range, evaluate.       >− ≤<−−− −≤+ = 2,92 22,12 2,5 )( 2 xx xx xx xf
9. 9. Graph, state domain and range, evaluate.        ≥ <≤− −<≤− −<− = 5,4 51,3 14,1 4,3 )( x x x x xf
10. 10. Homework – worksheet  Open Google Drive – create a word document Title it “Your Name – Pre-Calc Journal” Share it with me and make sure I can edit: jonna_ramsey@iss.k12.nc.us Entry 1 – 9/18/14 “How to graph a piecewise function” Type instructions as if you are explaining this topic to someone who has never done it before. Go through each step in detail!