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Home Q & A Board Science-Related Homework Help Mathematics
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fodog414 fodog414
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9 years ago
Indicate with true (T) or false (F) whether the following functions are polynomials.
 f(x) = x+2.
 f(x) = sqrt{2}.
 f(x) = sqrt{x}.
 f(x) = |x|.
 f(x) = 1/x
 f(x) = (x+1)^{200000}.
 f(x) = sqrt{1+x^2}.

additions, subtractions, multiplications and positive exponents? right? so i'm confused on why this is wrong
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#1
Educator
9 years ago
Make the last one true then see what happens.
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AlexxAlexx
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#2
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9 years ago
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#3
Valued Member
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9 years ago
Quote
Make the last one true then see what happens.
The wrong one is actually sqrt(2). It is a number, so it's a polynominal.
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#4
Educator
9 years ago
I thought a polynomial was an algebraic expression with two or more terms?

And yes, SQRT(2) is definitely not a polynomial.
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#5
Valued Member
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9 years ago
whops
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#6
Valued Member
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9 years ago
Sorry I accidently messed up your post but re-edited it Face with Stuck-out Tongue

well, sqrt(2) is definietly a polynominal. A polynominal can have any number of terms. It can also be a single number, like sqrt(2)
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#7
Educator
9 years ago
Thanks for the clarification.
fodog414 Author
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#8
9 years ago
Thank you gentlemen! Slight Smile Slight Smile
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