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March 25, 2017

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if f(x) = √x^2-1 and g(x)=√x-1, which expression represents f(x)/g(x) for x>1?

a) 1/√x+1

b) √x-1

c) √x+1

d) √x

  • math please help - ,

    f(x)=sqrt (x^2-1 )

    f/g= sqrt((x+1)(x-1))/sqrt(x-1)
    = sqrt(x+1)

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