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1 April 30, 2018 exponential function a function of the form where 7.1 Exploring Characteristics of Exponential Functions Pages 436 439 Examples Determine which of the following represent exponential functions:

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Page 1: April 30, 2018 - mlcompton.files.wordpress.com · 04/04/2018  · April 30, 2018 For Any Exponential Function.... 1. Are there any characteristics common to polynomial functions?

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April 30, 2018

exponential function ­ a function of the form   where 

7.1Exploring Characteristics of Exponential Functions

Pages 436 ­ 439

Examples ­ Determine which of the following represent exponential functions:

Page 2: April 30, 2018 - mlcompton.files.wordpress.com · 04/04/2018  · April 30, 2018 For Any Exponential Function.... 1. Are there any characteristics common to polynomial functions?

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April 30, 2018

Page 436 ­ 4371. For the following functions, complete the table of values using the given values of x and sketch on the axis provided:

x y 

­2

­1 

1

Page 3: April 30, 2018 - mlcompton.files.wordpress.com · 04/04/2018  · April 30, 2018 For Any Exponential Function.... 1. Are there any characteristics common to polynomial functions?

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April 30, 2018

x y 

­2

­1 

1

Page 4: April 30, 2018 - mlcompton.files.wordpress.com · 04/04/2018  · April 30, 2018 For Any Exponential Function.... 1. Are there any characteristics common to polynomial functions?

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April 30, 2018

x y 

­2

­1 

1

Page 5: April 30, 2018 - mlcompton.files.wordpress.com · 04/04/2018  · April 30, 2018 For Any Exponential Function.... 1. Are there any characteristics common to polynomial functions?

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April 30, 2018

x y 

­2

­1 

1

Page 6: April 30, 2018 - mlcompton.files.wordpress.com · 04/04/2018  · April 30, 2018 For Any Exponential Function.... 1. Are there any characteristics common to polynomial functions?

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April 30, 2018

x y 

­2

­1 

1

Page 7: April 30, 2018 - mlcompton.files.wordpress.com · 04/04/2018  · April 30, 2018 For Any Exponential Function.... 1. Are there any characteristics common to polynomial functions?

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April 30, 2018

x y 

­2

­1 

1

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2. Using your results, complete the following table: 

Function # x­intercepts y­intercept End Behavior Domain Range

Page 9: April 30, 2018 - mlcompton.files.wordpress.com · 04/04/2018  · April 30, 2018 For Any Exponential Function.... 1. Are there any characteristics common to polynomial functions?

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For Any Exponential Function....1. Are there any characteristics common to polynomial functions?

2. Are there any characteristics that are different than polynomial functions?

3. Are there any x­intercepts?

4. Is the range restricted? 

5. Is the end behavior different whether it is increasing or decreasing?

6. What is the pattern in the y values? 

Page 10: April 30, 2018 - mlcompton.files.wordpress.com · 04/04/2018  · April 30, 2018 For Any Exponential Function.... 1. Are there any characteristics common to polynomial functions?

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April 30, 2018

Generally:  For a function of the form      where 

# x­intercepts

y­intercept

End Behavior

Domain 

Range 

Exponential Growth: Exponential Decay:

b: b:

Page 11: April 30, 2018 - mlcompton.files.wordpress.com · 04/04/2018  · April 30, 2018 For Any Exponential Function.... 1. Are there any characteristics common to polynomial functions?

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Complete the following:• Page 439 exercises 1 ­ 3. For exercise 3, 

complete the following tables of values for each function: x y

­2

­1

0

1

2