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Express the set
using interval notation.
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Express the set
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Ask by Knight Mcdonald. in the United States
Mar 30,2025
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The set
in interval notation is
.
Solución
-
We start with the inequality:
-
This inequality represents all real numbers that are larger than 1.
-
In interval notation, the set of numbers satisfying
is written as: -
Here, the parenthesis indicates that 1 is not included in the set, and
is used because there is no upper bound.
Thus, the set
expressed in interval notation is:
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Bonus Knowledge
To express the set
using interval notation, you start from just above 1 and go to positive infinity. The correct interval notation for this inequality is
. The round bracket indicates that 1 is not included in the set since the inequality is strict (greater than).
Thinking about interval notation can help visualize mathematical concepts. Imagine a number line where 1 is a point; everything to the right represents values greater than 1. So, when you’re describing sets of numbers like this, interval notation becomes a neat little package to express those ranges succinctly!

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