Katieann16
Again look at the picture



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Katieann16
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help please

Katieann16
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@skullpatrol

Katieann16
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@skullpatrol

Katieann16
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@zordoloom

abb0t
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They are all polynomials. sqrt of x is the same thing as x^1/2

Katieann16
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thank you

mathstudent55
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A, D, E, F are. Others are not. B has x in radical, and C has variables in the denominator.

abb0t
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Even if the variables are in the radicals, you can still express them as:
\[x^{n} \]
similarly,
\[\sqrt{x} = x ^{\frac{ 1 }{ 2 }}\]

abb0t
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in the denom*

mathstudent55
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That's not a polynomial, though. In a ploynomial, variables can only have nonnegative exponents.

abb0t
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Oh sh*t. You're right. My bad.

mathstudent55
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np