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Question

Figure shows a relation between set P and Q such that x P, y Q. What is the relation, domain and range?


A

R = {(x, y): y is the square of x}, Domain = {9, 4, 25, 36}, Range = {-2, 2, -3, 3, -4, 4, -5, 5}

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B

R = {(x, y): x is the square of y}, Domain = {9, 4, 25, 36}, Range = {-2, 2, -3, 3, -5, 5, -6, 6}

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C

R = {(x, y): y is the square of x}, Domain = {9, 4, 25, 36}, Range = {-2, 2, -3, 3, -5, 5, -6, 6, -4, 4}

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D

R = {(x, y): x is the square of y}, Domain = {9, 4, 25}, Range = {1, -2, 2, -3, 3, -4, 4}

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Solution

The correct option is B

R = {(x, y): x is the square of y}, Domain = {9, 4, 25, 36}, Range = {-2, 2, -3, 3, -5, 5, -6, 6}


The Relation R is "x is the square of y”

x = y2

R = {(x, y): x is the square of y, x P, y Q}

Domain = {9, 4, 25, 36}

Range = {-2, 2, -3, 3, -5, 5, -6, 6}


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