SOLUTION: 3|x-3| find intervals of increasing and decreasing

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Question 848551: 3|x-3|
find intervals of increasing and decreasing
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
Set 3|x-3| = 0
That means |x-3| = 0
x-3 = 0
x-3 = -0 <-- -0 doesn't really exist so
x-3 = 0
x = 3 is where we cross 0 and also where we change direction.
We decrease from (-oo,3)
We increase from (3,oo)