3 years ago

138.4divided by16 show works it possible to show your work

Mathematics

1 answer:

Lorico [155]3 years ago

4 0

Ok done. Thank to me :>

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- Both numbers are less than 10. The distance between the two numbers on the number line is 14.

MatroZZZ [7]

Wouldn’t both numbers be seven

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3 years ago

Find the domain of f(x)=x-9/x squared-81

vagabundo [1.1K]

$f(x)=\dfrac{x-9}{x^2-81}\\\\\text{The domain:}\\\\x^2-81\neq0\qquad\text{add 81 to both sides}\\\\x^2\neq81\to x\neq\pm\sqrt{81}\\\\x\neq-9\ \wedge\ x\neq9\\\\Answer:\ \boxed{\text{All real numbers except -9 and 9}}\to\boxed{x\in\mathbb{R}-\{-9,\ 9\}}$