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Find gofa n dfog wehn f: RvecR and g: Rv...

Find `gofa n dfog` wehn `f: RvecR` and `g: RvecR` are defined by `f(x)=2x+3` and`g(x)=x^2+5` `f(x)=2x+x^2` and`` `g(x)=x^3` `f(x)=x^2+8` and `g(x)=3x^3+1` `f(x)=8x^3` and `g(x)=x^(1//3)`

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