JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

1 of 1

Understanding +4 | -1

A=\{1,2,3,4\}, B=\{1,2,3,4,5,6\}

are two sets and function

f: A \rightarrow B

is defined by

f(x)=x+2 ; \forall x \in A

, then the function

f

View answer and explanation

Correct option: C

One-one

Option C (One-one) is correct because each element in set A maps to a unique element in set B, satisfying the condition for an injective function.

More Questions from FUNCTIONS

Practice All Chapter MCQs →

f:(-\infty, 2] \longrightarrow(-\infty, 4]

f(x)=x(4-x)

f^{-1}(x)

g(f(x))=|\sin x|

f(g(x))=(\sin \sqrt{x})^2

f:\left( {2,\;3} \right) \to \left( {0,\;1} \right)

f\left( x \right) = x - \left[ x \right]

{f^{ - 1}}\left( x \right)

f: R \rightarrow R

f(x)=x^4

f(x)=(x+1)^2-1(x \geq-1)

S=\left\{x: f(x)=f^{-1}(x)\right\}