4 years ago

Plz help me with this

Mathematics

1 answer:

Leya [2.2K]4 years ago

4 0

Answer: c) (-∞, 4) ∪ (5, ∞)

Step-by-step explanation:

There are two lines:

The left line is between -∞ and 4 with an open dot at 4.
The right line is between 5 and +∞ with an open dot at 5.

An open dot is represented with parenthesis ( ).

A closed dot is represented by brackets [ ].

Positive and negative infinity are not actual numbers so they are always represented with parenthesis.

So, the left line is (-∞, 4) and the right line is (5, ∞)

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