Select from the drop-down menus to correctly identify the parameter and the effect the parameter has on the parent function.


The function f (x) = 1n (9.2) is a ___________ of the parent function by a factor of__________


horizontal compression

vertical expension







 Nov 17, 2017

It is the x that has changed. I mean x has been repleaced with 9.2x so it is a horizontal compression.


You even have a hint here. The word compression is used. Compressions imply smaller. Which imples a number between 0 and 1.


Anyway multiplying x by 9.2 compresses the graph by 1/9.2 = 5/46       


5/46 is a approximately 0.11 I tell you this so you can understand the graph. 

You can see that   (1,0) has compressed to (0.11,0)



 Nov 17, 2017

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