JEE MainMathematicsFunctionsMCQ+4 / −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 ?
- Ag(f(S)) S
- Bf(g(S)) = S
- Cf(g(S)) f(S)
- Dg(f(S)) = g(S)
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