Rezolvati inecuatia -7 supra -x+4 mai mare sau egal cu 0

Michalsrb asked Jan 23, 2023

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Michalsrb asked Jan 23, 2023

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21 votes

Answer: x∈(4,+∞)

Explanation:

$\displaystyle\\(-7)/(-x+4) \geq 0\\\\(-7)/(-(x-4))\geq 0\\\\(7)/(x-4)\geq 0 \\$

Domain:

$x-4\\eq 0\\x-4+4\\eq 0+4\\x\\eq 4$

Thus,

$7 > 0\\Hence,\\\x-4 > 0\\x-4+4 > 0+4\\x > 4$

FuriousGeorge answered Jan 29, 2023

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