Solved

Find f[g(x)]f[g(x)] And g[f(x)]g[f(x)]
- f(x)=2x;g(x)=2x3\mathrm{f}(\mathrm{x})=\frac{2}{\mathrm{x}} ; \mathrm{g}(\mathrm{x})=2 \mathrm{x}^{3} A) f[g(x)]=4/x3;g[f(x)]=1/x3f[g(x)]=4 / x^{3} ; g[f(x)]=1 / x^{3}

Question 118

Multiple Choice

Find f[g(x) ]f[g(x) ] and g[f(x) ]g[f(x) ] .
- f(x) =2x;g(x) =2x3\mathrm{f}(\mathrm{x}) =\frac{2}{\mathrm{x}} ; \mathrm{g}(\mathrm{x}) =2 \mathrm{x}^{3}


A) f[g(x) ]=4/x3;g[f(x) ]=1/x3f[g(x) ]=4 / x^{3} ; g[f(x) ]=1 / x^{3}
B) f[g(x) ]=1/x3;g[f(x) ]=16/x3f[g(x) ]=1 / x^{3} ; g[f(x) ]=16 / x^{3}
C) f[g(x) ]=1/x3;g[f(x) ]=4/x3f[g(x) ]=1 / x^{3} ; g[f(x) ]=4 / x^{3}
D) f[g(x) ]=16/x3;g[f(x) ]=1/x3f[g(x) ]=16 / x^{3} ; g[f(x) ]=1 / x^{3}

Correct Answer:

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