Solve the open sentence. –2 ≤ n + 4 ≤ 7 A. n ≥ 6 and n ≤ –4 B. n ≤ 2 and n ≤ 7 C. n ≤ –6 and n ≤ 4 D. n ≥ –6 and n ≤ 3
\[ –2 ≤ n + 4 ≤ 7\] subtract \(4\) all the way across get \[-6\leq n\leq 3\]
what the monkey is an "open sentence"????
subtract 4 we get - 2 -4 <=n+4-4 <=7-4 -6<= n<=3 that is n =>-6 and n<=3
btw why they write one as a compound inequality and the other as \[n ≥ –6 \text{ and } n ≤ 3\] is anyones guess but that is the right answer
A. n ≥ 6 and n ≤ –4 B. n ≤ 2 and n ≤ 7 C. n ≤ –6 and n ≤ 4 D. n ≥ –6 and n ≤ 3 those are the choices so these are open sentences I guess
thanks @satellite73
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