A) many-one onto
B) many-one into
C) one-one into
D) one-one onto
Correct Answer: A
Solution :
[a] \[f(x)=f(-x).\]So, f is many-one. Also \[f(x)=1-\frac{5}{{{x}^{2}}+1}>1-5=-4\] So, f is intoYou need to login to perform this action.
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