Mathematics: I need help with this pre calc question

I need help with this pre calc question - id10156662, Theacefamily123

Ответ:

hjeffrey168

16.03.2022

Mathematics

$\boxed{\boxed{\pink{\bf\leadsto The \ domain \ of \ x \ will \ be \ (-\infty , +\infty) \ that \ is\ all \ real .}}}$

Step-by-step explanation:

Firstly set the argument in which (x² + 3) is Greater than 0 , to see where the expression is defined .

$\bf \implies (x^2+3) 0$

Now ,let's simplify this

$\bf \implies (x^2+3)0 \\\\\bf\implies x^2 0 - 3 \\\\\bf\implies\boxed{\red{\bf x^2 (-3) }}$

Since the left side has even Power , it is always positive for all real numbers.

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.

$\underline{\green{\bf Interval\ Notation :- }}$

$\bf ( - \infty , +\infty)$

That is $\bf \{ x | x \in \mathbb{R} \}$

Hence option (b) is correct .
I need help with this pre calc question

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Ответ:

turtle12102

11.04.2021

Mathematics

Step-by-step explanation:

well i we divide by the subtraction equation of t he squaer hypotenuse between four right angles then we can then make use of e=mc² which allows us to deduce that the answer is 12.

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I need help with this pre calc question

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