BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 1.1, Problem 67E

(a)

To determine

To evaluate: the expression ||6||4|| .

Expert Solution

Answer to Problem 67E

  ||6||4||=2

Explanation of Solution

Given information:

An expression is given as ||6||4|| .

Formula used:

Absolute value property:

For any real number a,

  |a|=a0|a|=|a|=a

Calculation:

Consider the given expression.

  ||6||4||

Now, evaluate the expression:

  ||6||4||=|64| [|a|=|a|=a]=|2|=2

Hence, ||6||4||=2

(b)

To determine

To evaluate: the expression 1|1| .

Expert Solution

Answer to Problem 67E

  1|1|=1

Explanation of Solution

Given information:

An expression is given as 1|1| .

Formula used:

Absolute value property:

For any real number a,

  |a|=a0|a|=|a|=a

Calculation:

Consider the given expression.

Now, evaluate the expression:

  1|1|=11 [|a|=|a|=a]=1

Hence, 1|1|=1 .

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