Solved

Find f[g(x)]f[g(x)] And g[f(x)]g[f(x)]
- f(x)=x2+2x+3;g(x)=x−4f(x)=x^{2}+2 x+3 ; g(x)=x-4 A) f[g(x)]=x2−6x+11f[g(x)]=x^{2}-6 x+11 g[f(x)]=x2+2x−1g[f(x)]=x^{2}+2 x-1

Question 145

Multiple Choice

Find f[g(x) ]f[g(x) ] and g[f(x) ]g[f(x) ] .
- f(x) =x2+2x+3;g(x) =x−4f(x) =x^{2}+2 x+3 ; g(x) =x-4


A) f[g(x) ]=x2−6x+11f[g(x) ]=x^{2}-6 x+11
g[f(x) ]=x2+2x−1g[f(x) ]=x^{2}+2 x-1
B) f[g(x) ]=x2+2x−1f[g(x) ]=x^{2}+2 x-1
g[f(x) ]=x2−6x+11g[f(x) ]=x^{2}-6 x+11
C) f[g(x) ]=x2+6x+11f[g(x) ]=x^{2}+6 x+11
g[f(x) ]=x2+2x−1g[f(x) ]=x^{2}+2 x-1
D) f[g(x) ]=x2+2x−1f[g(x) ]=x^{2}+2 x-1
g[f(x) ]=x2+6x+11g[f(x) ]=x^{2}+6 x+11

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