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Please answer my question

Please answer my question-example-1
User KlausCPH
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1 Answer

10 votes
10 votes

Interval notation uses parenthesis and brackets, while inequality notation uses inequality symbols.

a)

Interval notation: [-4, 8)

Inequality notation:
-4\leq x<8

x >= -4, x < 8

---For inequality notation, it can also be written as two separate inequalities. I am not sure what your teacher is looking for, so I will provide both the compound and separate formats.

b)

Interval notation: (-infinity, 7)

Inequality notation: x < 7

c)

Interval notation: (-infinity, -6) U (0, infinity)

Inequality notation:
-6> x \geq 0

x < -6, x >= 0

Hope this helps!

User Gibffe
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