Answer: Inequality form: x is less then or equal to 6 or xis greater then or equal to 8
Interval Notation: (-infinity,6] u [8,infinity)
Answer:
x ≤ 6 ∨ x ≥ 8
Explanation:
x-7 ≥ 0
when
x≥7
if x≥7
x-7≥ 1
x ≥ 7 + 1
x ≥ 8
if x < 7
-x + 7 ≥ 1
-x ≥ -7 + 1
-x ≥ -6
x ≤ 6
Final solution
x≤ 6 ∨ x ≥ 8
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