Question

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

Answer 1

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`