3 years ago

Identify the variable expression that is not a polynomial.

Mathematics

1 answer:

Ratling [72]3 years ago

6 0

Your answer is going to be A.

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Yuliya22 [10]

use Pythagoras theorem

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2 years ago

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kakasveta [241]

-5a^2 - 7a = -a x (5a + 7)
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3 years ago

What are the restrictions of the domain of the function F(x) = 1/x^2-9

Sonbull [250]

$f(x)=\frac{1}{x^2-9}$

The denominator can't be equal to 0.
$x^2-9 \not= 0 \\
x^2 \not= 9 \\
x \not= -3 \ \land \ x \not= 3$

The domain is all numbers except -3 and 3.
$x \in \mathbb{R} - \{-3, 3 \}$

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jenyasd209 [6]

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Norma-Jean [14]

Answer:

note:

solution is attached in word form due to error in mathematical equation. furthermore i also attach Screenshot of solution in word due to different version of MS Office please find the attachment

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