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Assignment:Find the solution set of inequality -(X)^2+sqrt(8-X) <-14 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
-( X ) ^ 2 + sqrt ( 8 - X ) < -14 (1)
From the definition field of √
8 - x ≥ 0 (2 )
From inequality(1):
X < -4.18214 或 X > 4
From inequality(2):
X ≤ 8
From inequalities (1) and (2)
X < -4.18214 或 4 < X ≤ 8 (3)
The final solution set is :
X < -4.18214 或 4 < X ≤ 8 Your problem has not been solved here? Please take a look at the hot problems !