What are the steps to change an absolute value equation to a piecewise function? What part of the equation affects the domain restrictions?
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OpenStudy (anonymous):
Well. Do you understand what an absolute value equation is? DO you know what a piecewise function is?
myininaya (myininaya):
|x|= x if x>0
-x if x<0
0 if x=0
OpenStudy (anonymous):
yes i know both
myininaya (myininaya):
so if we have |x-2|
then we would write
|x-2|= x-2 if x-2>0
-(x-2) if x-2<0
0 if x-2=0
OpenStudy (anonymous):
i just need steps
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myininaya (myininaya):
do you got it?
myininaya (myininaya):
all you must do is use the definition i gave you above
OpenStudy (anonymous):
the original? so you just follow that? and what part of the equation affects the domain restrictions?
myininaya (myininaya):
domain is all real numbers for |x|
unless you have a fraction or square root or even root or trig functions(some trig functions don't exist everywhere)
myininaya (myininaya):
and that list might have some others that may make a function not continuous everywhere
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