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Type: Posts; User: bryanx47

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  1. Re: Let f(x)=x^2+2 and g(x)=(sqrt) 1-x^2. Are f*g, g*f defined?

    okay.. up to now i have

    f(g(x))
    =(sqroot 1-x^2)^2+2
    =1-x^2+2
    =-x^2+3
    which leaves me with no idea with what the domain is, since the randicand is gone..
  2. Let f(x)=x^2+2 and g(x)=(sqrt) 1-x^2. Are f*g, g*f defined?

    Find the domain and range of f*g. Let f(x)=x^2+2 and g(x)= (sqroot) 1-x^2

    Are the functions of f*g and g*f defined? Explain

    I have some of this done but want to know if i'm on the right track. ...
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