2.4 families of functions - weeblyaweidamath10.weebly.com/.../2.4_families_of_func.pdf2.4 families...

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2.4 Families of Func. WEB August 28, 2014 2.4 Families of Functions

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Page 1: 2.4 Families of Functions - Weeblyaweidamath10.weebly.com/.../2.4_families_of_func.pdf2.4 Families of Func. WEB August 28, 2014 What is a translation? What is a types of functions

2.4 Families of Func. WEB August 28, 2014

2.4 Families of Functions

Page 2: 2.4 Families of Functions - Weeblyaweidamath10.weebly.com/.../2.4_families_of_func.pdf2.4 Families of Func. WEB August 28, 2014 What is a translation? What is a types of functions

2.4 Families of Func. WEB August 28, 2014

What is a translation?

What is a types of functions will we be translating?

Linear functions

Absolute Value functions

Quadratic functions

Cubic functions

Rational functions

Radical functions

a translation is moving every point a constant distance in a specified direction

Page 3: 2.4 Families of Functions - Weeblyaweidamath10.weebly.com/.../2.4_families_of_func.pdf2.4 Families of Func. WEB August 28, 2014 What is a translation? What is a types of functions

2.4 Families of Func. WEB August 28, 2014

Graph the functions y=x , y =x + 4 and y=x - 2 2 2 2

How do the 3 graphs compare?

Page 4: 2.4 Families of Functions - Weeblyaweidamath10.weebly.com/.../2.4_families_of_func.pdf2.4 Families of Func. WEB August 28, 2014 What is a translation? What is a types of functions

2.4 Families of Func. WEB August 28, 2014

Graph the functions y=x , y =(x+4) and y=(x-2) 2 2 2

Page 5: 2.4 Families of Functions - Weeblyaweidamath10.weebly.com/.../2.4_families_of_func.pdf2.4 Families of Func. WEB August 28, 2014 What is a translation? What is a types of functions

2.4 Families of Func. WEB August 28, 2014

Page 6: 2.4 Families of Functions - Weeblyaweidamath10.weebly.com/.../2.4_families_of_func.pdf2.4 Families of Func. WEB August 28, 2014 What is a translation? What is a types of functions

2.4 Families of Func. WEB August 28, 2014

Summary

HW 2.4 pg 82 (1-4, 11, 13, 15)

Page 7: 2.4 Families of Functions - Weeblyaweidamath10.weebly.com/.../2.4_families_of_func.pdf2.4 Families of Func. WEB August 28, 2014 What is a translation? What is a types of functions

2.4 Families of Func. WEB August 28, 2014

Comparing y=f(x), y=-f(x), and y=f(-x)

Page 8: 2.4 Families of Functions - Weeblyaweidamath10.weebly.com/.../2.4_families_of_func.pdf2.4 Families of Func. WEB August 28, 2014 What is a translation? What is a types of functions

2.4 Families of Func. WEB August 28, 2014

Note  that  a  stretch  is  either  an  expansion  or  compression.

An  expansion  is  a  stretch  by  a  factor  greater  than  1.  

A  compression  is  a  stretch  by  a  factor  less  than  1.  

Page 9: 2.4 Families of Functions - Weeblyaweidamath10.weebly.com/.../2.4_families_of_func.pdf2.4 Families of Func. WEB August 28, 2014 What is a translation? What is a types of functions

2.4 Families of Func. WEB August 28, 2014

Complete the table of values and graph for the following Quadratics

x y x y x y123

0312

20.50

20.5

Stretching

Page 10: 2.4 Families of Functions - Weeblyaweidamath10.weebly.com/.../2.4_families_of_func.pdf2.4 Families of Func. WEB August 28, 2014 What is a translation? What is a types of functions

2.4 Families of Func. WEB August 28, 2014

2.4 pg 85 (7-10, 12, 14, 16, 17, 19, 22-24, 27-30, 32, 35)

Page 11: 2.4 Families of Functions - Weeblyaweidamath10.weebly.com/.../2.4_families_of_func.pdf2.4 Families of Func. WEB August 28, 2014 What is a translation? What is a types of functions

2.4 Families of Func. WEB August 28, 2014