Question

The set of all numbers less than or equal to −5.

Answer 1

In interval notation, the given expression is given as (∞ , 5) where the value of 5 is exclusive

Inequality expression

Inequality are expression not separates by an equal sign.

Let the required set of numbers be "x" such that;

The set of all numbers less than or equal to −5 is expressed as x < -5

In interval notation, the given expression is given as (∞ , 5) where the value of 5 is exclusive

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Answer 2

Answer:

(-∞, -5]

Step-by-step explanation:

The set of numbers less than equal to -5 is the set that includes -5 and all numbers less than -5 through to negative infinity.

x ≤ -5

(-∞, -5]

We always use a curved bracket (parenthe3sis) with infinity.

In this case, since -5 is part of the set, we use a square bracket with -5.