Posted by **Anonymous** on Monday, September 15, 2008 at 9:46pm.

desribe how the graph of each funtion compares to the graph of y = l x l (absolute value)

a) y = 1 2x l

b) y = l 1/2x l

c) 2y = l x l

d) 1/2y = l x l

i don't understand when it is vertical/horizontal and when it is expansion or compression

- math 12 -
**bobpursley**, Monday, September 15, 2008 at 10:13pm
a is expanded, y is twice what it was before for any x.

d) is expanded, y is (2abs x ) twice what it was before.

- math 12 -
**John**, Monday, September 15, 2008 at 10:23pm
a) is horizontal compression by 1/2

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