SATHEE: Functions Question 262

Functions Question 262

Question: The function $ f:R\to R,\ f(x)=x^{2},\forall x\in R $ is

[MP PET 1997]

Options:

A) Injection but not surjection

B) Surjection but not injection

C) Injection as well as surjection

D) Neither injection nor surjection

Show Answer

Answer:

Correct Answer: D

Solution:

Since the mapping is many-one into.

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Functions Question 262

Question: The function $ f:R\to R,\ f(x)=x^{2},\forall x\in R $ is

Options:

Answer:

Solution:

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