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01-02-2017
Mathematics

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If f(x)= 3 over x+2- square root x-3 f(19)=

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01-02-2017

f(19)= (3/(19+2)) - sqrt(19-3)
= (3/21) - sqrt(16)
= (1/7) - 4
= (1/7) - (28/7)
= -27/7
= - 3 6/7

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