<em>A. x ≤ - 9 or x ≥ 9</em>
- Step-by-step explanation:
<em>x² ≥ 81</em>
<em>| x | ≥ 9</em>
<em>x ≥ 0 => x ≥ 9 => x ∈ [ 9 ; + oo)</em>
<em>x < 0 => x ≤ - 9 => x ∈ ( -oo ; - 9 ]</em>
<em>x ∈ ( -oo ; - 9 ] ∪ [ 9 ; + oo)</em>
Step-by-step explanation:
You've got the concept correct, but be careful with your parentheses. You should write it 3/(2n). Otherwise it looks like three halves n.
Answer:
it is very very tall hfhfhfudddhehhd
Step-by-step explanation:
hejrjrneudehshheeundjdjdjsjsjsjdususisisisidusijdjsjejeushd7d jeep has 3AM in its not that serious rn im in the morning princess ❤i love it was the last one of my friends not yours and I love you so much I 3AM you so much and I don't know if you want me tk and I will never be a good friend and he was a prank but I was like that and he was so long for me to be a little sibling and he was so much better than you and he was a little upset caude and he was a little nervous and he just stays awake for me to get my hair done w each other for like that and he was so nervous and he just wanted the same