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Mathematics 9 Online
OpenStudy (anonymous):

Find the domain of the function f(x)= x-2/x^2-25

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):

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