SOLUTION: What is the interval Notation of x<2 or x<= 4

Question 1168421: What is the interval Notation of x<2 or x<= 4
Found 2 solutions by ikleyn, MathTherapy:
Answer by ikleyn(52792)   (Show Source): You can put this solution on YOUR website!
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What is the interval Notation of x<2 or x<= 4
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In interval notation it is   (-oo,4].

-oo means "minus infinity".

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Tutor @MathTherapy tries to correct me.

I value his notices/comments very much, but this time he is not right in his correction.

Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!
What is the interval Notation of x<2 or x<= 4
U
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