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[hline" 2.Let "f(x)=x^(2),x in R." For a...

[hline" 2.Let "f(x)=x^(2),x in R." For any "A sube R,," define "],[g(A)={x in R:f(x)in A}." If "S=[0,4]," then which one of "],[g_(" the following statements is not true? ")," (2019Main,10April I) "],[" (a) "f(g(S))=S," (b) "g(f(S))!=S],[" (c) "g(f(S))=g(S)," (d) "f(g(S))!=f(S)]

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