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OpenStudy (fanduekisses):
\[\frac{ X }{ X-16}\]
OpenStudy (fanduekisses):
THE ANSWER IS x<16 but I don't know how to solve
OpenStudy (fanduekisses):
I know the denominator can't be 0
OpenStudy (anonymous):
1/-16
OpenStudy (fanduekisses):
@ganeshie8 @whpalmer4
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random231 (random231):
wat is asked in the question?
random231 (random231):
domain?
OpenStudy (fanduekisses):
find all values of x algebraically for which the algebraic expression is not defined
OpenStudy (fanduekisses):
yes, like domain
random231 (random231):
its not defined at x=16
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random231 (random231):
cause denominator becomes 0
OpenStudy (fanduekisses):
right, but at first I thought I was doing it right: x-16>0 x>16 but then I checked the correct answer in my text book and it says it is x<16 ? I don't understand :(
OpenStudy (fanduekisses):
how?
random231 (random231):
um are u sure any other conditions arent mentioned in the question.. square roots for instance?
OpenStudy (fanduekisses):
look
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OpenStudy (fanduekisses):
It's introduction to functions
OpenStudy (fanduekisses):
#5
random231 (random231):
ill tell u u hav seen the answer of question no. 7
check the answer again!!!
OpenStudy (fanduekisses):
oooooooooooohhh my God!!! :O
random231 (random231):
wat did u get it?
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OpenStudy (fanduekisses):
but I'm still confused, isn't x-16 supposed to be set up like x-16>0? or x-16 cannot be 0?
OpenStudy (fanduekisses):
why is it x=16 and not x>16 or x cannot be 16?
random231 (random231):
i said that the function is not defined at x=16
random231 (random231):
which means x-16 cannot be 0
random231 (random231):
which means x cannot be 16
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OpenStudy (fanduekisses):
oooooh I get it now, lol idk what is going on with my head today, I guess I just need to be more open minded :p thanks so much random231 <3