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OpenStudy (anonymous):
find all numbers for which the rational expression is undefined: 6 --- z-1
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OpenStudy (anonymous):
1
OpenStudy (anonymous):
since if z = 1 the denominator is 1-1=0 and you are not allowed to divide by 0
OpenStudy (anonymous):
thank you. was in a real bind for homework this week and haven't been able to learn this process. now it's crunch time :(
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