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I really need help, thanks.
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I really need help, thanks.

I really need help, thanks.-example-1
User Banty
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1 Answer

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Hello,
I suppose the function is y=3√(6x+42)

==>6x+42>=0 (it must be a square root of a positive)
==>6x>=-42
==>x>=-42/6
==>x>=-7

ANSWER D

User Haylie
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