For number 25 it’s x=4 and for 26 it’s x=7
40g+300 is less than or equal to 5000
g is less than or equal to 117.5
So that is 117 guests max can be invited
I think the second i didnt make it on paper but its the one that more convence me
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Answer: Choice D. ![5x-5 \ge 0](https://tex.z-dn.net/?f=5x-5%20%5Cge%200)
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This is because we want to avoid having negative numbers under the square root. So we make the radicand to be 0 or larger.
The +1 at the end doesn't affect the domain.