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JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

1 of 1

Application +4 | -1

Let

R

be a relation in

N

defined by

R=\{(x, y): x+2 y=8\}

. The range of

R

is

View answer and explanation

Correct option: B

\{1,2,3\}

Option B (

\left\{1,2,3\right\}

) is correct because it represents the set of all possible

y

values (range) for which

x + 2y = 8

and

x, y

are natural numbers.

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

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

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