A) injective but nor surjective
B) not injective
C) surjective but not injective
D) neither injective nor surjective?
Correct Answer: A
Solution :
\[f(x)=2\left( 1+\frac{1}{x-1} \right)\] \[f'(x)=-\frac{2}{{{(x-1)}^{2}}}\] \[\Rightarrow \]\[f\] is one?one but not onto.You need to login to perform this action.
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