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Question

The range of the function f(x)=|x2|3 is

A
y2
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B
y3
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C
y3
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D
y2
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E
y2
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Solution

The correct option is B y3
Given, f(x)=|x2|3
We know that modulus is always greater than or equal to zero, so we have |x2|0 , which implies |x2|0.
Therefore |x2|33 , which implies y3

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