Homework: p. 282-283 1-9, 17-25, 45-47, 67-73, 81-89 all odd!
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Transcript of Homework: p. 282-283 1-9, 17-25, 45-47, 67-73, 81-89 all odd!
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A3 2.5a Common GraphsTransformations and
ReflectionsHomework: p. 282-283 1-9,
17-25, 45-47, 67-73, 81-89 all odd!
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Introducing the Common Functions
Constant Function:graph:domain:range:inc/dec/con:odd/even:
Identity Function:graph:domain:range:inc/dec/con:odd/even:
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Introducing the Common FunctionsAbsolute Value Function:
graph:domain:range:inc/dec/con:odd/even:
Square Root Function:graph:domain:range:inc/dec/con:odd/even:
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Introducing the Common Functions
Standard Quadratic Function:graph:domain:range:inc/dec/con:odd/even:
Standard Cubing Function:graph:domain:range:inc/dec/con:odd/even:
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Introducing the Common Functions
And the last one…Cube Root Function:
graph:domain:range:inc/dec/con:odd/even:
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Now transformations…Vertical Shifts:
Horizontal Shifts:
General Rule of Thumb: “outside the function” = vertical change“inside the function” = horizontal change
( )
( )
y f x c
y f x c
( )
( )
y f x c
y f x c
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Guided PracticeDescribe the transformations from f(x) to g(x). Graph the original and the transformed function. 2( )f x x 2( ) ( 1) 3g x x
( )f x x ( ) ( 1) 2g x x
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And now…Reflections!About the x-axis (outside the function)
About the y-axis (inside the function)
Managing the math: reflection about the x-axis : distribute
the negative to every value in the functionreflection about the y-axis : “run” a ( –
x) through the function
( )y f x
( )y f x
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Guided PracticeDescribe the transformations on :
( )f x x
( ) 4 2h x x
( ) 3 4g x x
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Whiteboard Problems: 1. Describe the changes of to
2. Describe the changes of to
2( )f x x2( ) ( 3) 5g x x
3( )f x x3( ) ( 5) 2g x x