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Help.

NotSoSmart  Jan 4, 2018
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 #1
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+1

7....(9,3)  , m  =  4/9

 

 y - 3  =  (4/9)(x - 9)

 

 

8.....    y  =  l 10x  - 2  l  -  7

 

The parent function  is    y  = l x  l

 

And we can write

 

y  =  l  2 (5x - 1)  l   -  7

 

y = 2 l  5x  -  1  l   -  7

 

 ( 1/5 ,  - 7 ), x  = 1/5,  translated to the right by 1/5 unit  amd down 7 units

 

Here's the graph of the parent and the given function and axis of symmetry : 

 

https://www.desmos.com/calculator/4boazkf6c5

 

cool cool cool

CPhill  Jan 4, 2018

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