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OpenStudy (anonymous):
Find the domain of the function f(x)= x-2/x^2-25
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OpenStudy (triciaal):
do you recognize the difference of 2 squares in the denominator?
OpenStudy (anonymous):
5 because 5^2 =25 and 25-25 =0
OpenStudy (anonymous):
@triciaal what do you mean? sorry i am lost
OpenStudy (triciaal):
when you take a square root you always have 2 values the + and the -
OpenStudy (triciaal):
|dw:1414979767417:dw|
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