JEE MATHEMATICS MCQ: FUNCTIONS

1 Medium

1 of 1

Understanding +4 | -1

Let

A=\{1,2,3,4\}

and

R

be the relation on

A

defined by

\{(a, b): a, b \in A, a \times b

is an even number

\}

, then the range of

R

View answer and explanation

Correct option: B

\{2,4\}

Option B (

\{2,4\}

) is correct because the range of the relation R consists of the second elements of the ordered pairs (a, b) where a * b is even.

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\}