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6th Edition

Stewart + 5 others

Publisher: Cengage Learning

ISBN: 9780840068071

Chapter 1.1, Problem 57E

**a)**

To determine

To express: the given graph in interval notation.

Expert Solution

In terms of interval the setcan be expressed as

**Given information:**

Agraphis given as

**Concept used:**

Aninequality

Aninequality

Aninequality

Aninequality

Aninequality

Aninequality

Aninequality

Aninequality

If the terminal number or point is included in the interval it can be represented by closed ball on the number line otherwise it will be represented by a open ball.

**Calculation:**

Consider the given graph.

Here, for both

So, the set can be expressed as aninterval as

**b)**

To determine

To express: the given graph in interval notation.

Expert Solution

In terms of interval the set can be expressed as

**Given information:**

A graph is given as

**Concept used:**

Aninequality

Aninequality

Aninequality

Aninequality

Aninequality

Aninequality

Aninequality

Aninequality

If the terminal number or point is included in the interval it can be represented by closed ball on the number line otherwise it will be represented by a open ball.

**Calculation:**

Consider the given graph.

Here, for

So, the set can be expressed as aninterval as