Let f(x)=x2,x∈R. For any A⊆R, define g(A)={x∈R:f(x)∈A}. If S= – InterviewSolution

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1.	Let f(x)=x2,x∈R. For any A⊆R, define g(A)={x∈R:f(x)∈A}. If S=[0,4], then which one of the following statements is not true ?
Answer» Let $f (x) = x^{2}, x \in R .$ For any $A \subseteq R$ , define $g (A) = {x \in R : f (x) \in A}$ . If $S = [0, 4]$ , then which one of the following statements is not true ?

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