Math

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Let f(x)=x+1 and g(x)= "squareroot" of x

what are the domains of "f" and "g"

  • Math -

    f(x) is a polynomial, so the domain is all of R (real).
    g(x)=√x, whose domain is only the non-negative part of real, so
    dom g=[0,+∞)

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