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Point) Write the set {x € R x # -12,8} in interval notation:Help using interval notation...

Question

Point) Write the set {x € R x # -12,8} in interval notation:Help using interval notation

point) Write the set {x € R x # -12,8} in interval notation: Help using interval notation



Answers

Write the set in interval notation. $$\{x | 1<x<2\}$$

This set that is inseparable. Notation can be expressed in interval notation, but I stayed in the number. We begin with negative two comma. The number we end with that is no. It is not a negative for its positive for, and then pay attention to the inequality if it's just less than its parentheses. E if it is less than or equal to, it's a bracket. So we read. This is for all excess between negative two and four. Not including negative too, but including for

This time I have my ex is less than 12.5 12.5, right. This is what I have. So in the interval format, this will be from minus infinity to 12.5. Both of these are open intervals. This is where my ex belongs. Andi. My number line will be to the left off 12.5 with an open interval all the way to the left that it's of infinity and this would be my answer.

We need to rewrite the the following set builder notation into interval notation, so this is telling us that X is less than negative five, so any number less than negative five is a value. So basically it's going from negative infinity two negative five. Negative five is not included, so it's going to have a parentheses, and an infinity always has a parenthesis.

This time. My intervals between minus four and minus one. My in doubles between excess between minus or it is greater than or equal to minus four and less than one. So how do I like this? This is going to be my ex. Belongs to closed. Interval minus four. Comma one open interval. And how will this look on a graph? This is minus four. It is closed in trouble, and I have a noble and devil on one. Oh, this is minus one. This should be minus one. This is minus one, minus one. This is minus one. This is my answer.


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