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3Tvwo Ch 1 SUMMARY p.32-35
Ch 1 Linear and exponential functions
The content for this lesson is:
p.32 -35 SUMMARY
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Ch 1 Linear and exponential functions
The content for this lesson is:
p.32 -35 SUMMARY
Slide 1 - Tekstslide
Question:
What two basic kinda functions did you work with in this chapter?
Slide 2 - Tekstslide
Answer:
1. Linear functions
2.Exponential functions
Slide 3 - Tekstslide
Look how fast exponential growth goes!
Slide 4 - Tekstslide
or decreasing, of course:
Slide 5 - Tekstslide
Make a good start yourself now!
Slide 6 - Tekstslide
Let's be practical:
Question:
What materials do you need for the test?
Slide 7 - Tekstslide
Answer:
+ pen
+ pencil
+ eraser, pencil sharpener
+ geo triangle
+ Casio calculator
Slide 8 - Tekstslide
A fine point about calculating a growth factor(this will be in the Test, too!):
Question 1: If the growth factor for 4 days is 6, then what is the growth factor for 2 days?
Take your Casio, calculate and give your answer
+ exact and also
+ rounded to 1 decimal!
Slide 9 - Tekstslide
Answer:
growth factor for 2 days is:
+ root 6 (can't find the right symbol...)
+ 2.449489....., which is rounded:
+ 2.4
Slide 10 - Tekstslide
Question 2:
Now find the growth factor for one day!
Let's go back to the previous slide for this.
Slide 11 - Tekstslide
Question:What is the best answer?
1st: The growth factor for one single day is
root 2.4 = 1.549193338...., or
2nd: root 2.449489 = 1.565084343 ??
Slide 12 - Tekstslide
Answer:
The 2nd answer is the best,
because now you work with the not rounded answer to root 6!
Let us look back again to the previous slide.
Slide 13 - Tekstslide
Work on for yourself.
Slide 14 - Tekstslide
Let's do it!
Slide 15 - Tekstslide
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