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Denisae528
a fost răspuns

Scrieti ca interval multimea: A={x€R|x < (mai mic cu egal) - 7}
urgent va rog ​

Răspuns :

Steffancris0

Răspuns:

A = { x € R | x ≤ -7}

-∞ -7 +∞

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x € { -∞; -7 }

Răspuns:

[tex]\bf A = \big\{ ~x \in \mathbb{R}~\big| ~x\leq -7~\big\}[/tex]

[tex]\bf ~x\leq -7 \implies \purple{\boxed{\bf ~x ~\in~\Big( -\infty ;-7\Big]~}}[/tex]

[tex]\bf - \infty \underline{~~~~~~~~~~~~~-7}\Bigg]\underline{~~~~~~~~~}[/tex]