27. Find the solution set of the inequality ײ-×-2≥0.
A. ×<-4 or ×>-3
B. ×<-4 or ×<-3
C. ×:×≤-1 or ×≥2
D. ×>-4 or × <-3
A. ×<-4 or ×>-3
B. ×<-4 or ×<-3
C. ×:×≤-1 or ×≥2
D. ×>-4 or × <-3
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Answer:
C.x≤-1 or x≤2
Step-by-step explanation:
x²-x-2≤0
(x-2)(x+1)≤0
x-2≤0
x≤2
x+1≤0
x≤-1