Which of the following is(are) incorrect?
(a) If \( f(x)=\sin x \) and \( g(x)=\ln x \) then ran... VIDEO
Which of the following is(are) incorrect?
(a) If \( f(x)=\sin x \) and \( g(x)=\ln x \) then range of \( g(f(x)) \) is \( [-1,1] \)
(b) If \( x^{2}+a x+9x \forall x \in R \) then \( -5a7 \)
(c) If \( f(x)=\left(2011-x^{2012}\right)^{\frac{1}{2012}} \) then \( f(f(2))=\frac{1}{2} \)
(d) The function \( f: R \rightarrow R \) defined as \( f(x)=\frac{x^{2}+4 x+30}{x^{2}-8 x+18} \) is not surjective.
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