Question

What is the range of the function sqrt(16-x^4)?

Answer 1

√16-x⁴=== √(4)²–(x²)²==> 4–x²

==>> X²= 4

==>> X= √4

==>> X= 2....

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Answer 2

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Ans

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$\sqrt{16 - {x}^{4} } = \sqrt{ {4}^{2} } - ( {x}^{2} ) {}^{2} = 4 - {x}^{2}$

$= {x }^{2} = 4$

$= x = \sqrt{4}$

$= x = 2$

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