4.7 Transforming Polynomials - Wag & Pawstimmonsmath.weebly.com/uploads/2/3/8/0/23807671/4.7... ·...

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4.7 Notes SB partial filled in.notebook 1 January 09, 2017 4.7 Transforming Polynomials I can translate a polynomial function. I can reflect polynomial functions of the x and yaxis. I can compress and stretch polynomial functions. I can combine polynomial transformations.

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January 09, 2017

4.7 Transforming Polynomials

• I can translate a polynomial function.• I can reflect polynomial functions of the x­ and y­axis.• I can compress and stretch polynomial functions.• I can combine polynomial transformations.

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January 09, 2017

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b.a.

♦I can translate polynomial functions.♦

Example 1: For                         , write the rule for each function and sketch itsgraph.

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b.a.

♦I can translate polynomial functions.♦Checkpoint:  For                         , write the rule for each function and sketch itsgraph.

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b.a.

♦I can reflect polynomials over the x­ and y­axis.♦

Example 2: Let                                       .  Write a function g that performs each transformation.      

Reflect f (x) across the x­axis. Reflect f (x) across the y­axis.

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January 09, 2017

b.a.

♦I can reflect polynomials over the x­ and y­axis.♦

Checkpoint:  Let                                       .  Write a function g that performs each transformation.      

Reflect f (x) across the x­axis. Reflect f (x) across the y­axis.

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January 09, 2017

b.a.

♦I can compress and stretch polynomial functions.♦

Example 3: Let                                   .  Graph f and g on the same coordinateplane.  Describe g as a transformation of f.      

Describe: Describe:

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b.a.

♦I can combine polynomial transformations.♦Example 4: Write a function that transforms                           in each of the following ways.  Support your solution by using a graphing calculator.    

Stretch vertically by a factor of 2, 

and shift 3 units left.

Reflect across the x­axis and shift

3 units up.

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January 09, 2017

b.a.

♦I can combine polynomial transformations.♦Checkpoint: Write a function that transforms                           in each of the following ways.  Support your solution by using a graphing calculator.    

Compress vertically by a factor 

of 1/2, and move the x­intercept 

3 units right.

Reflect across the x­axis, and move

the x­intercept 4 units left.