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 1.9, Problem 42E
To determine

Solve the equation both graphically and algebraically.

Expert Solution

Answer to Problem 42E

  x=2(235)2

  Precalculus: Mathematics for Calculus - 6th Edition, Chapter 1.9, Problem 42E , additional homework tip  1

Explanation of Solution

Given information:

  6(x+2)5=64

Formula used:

Transposition of terms.

Algebraically:

  6(x+2)5=64(x+2)5=646

Taking fifth root both the sides

  (x+2)5=646x+2=6465x=2(235)2

Graphically:

Making Graph of 6(x+2)5=64 and finding approximate value of x.

  Precalculus: Mathematics for Calculus - 6th Edition, Chapter 1.9, Problem 42E , additional homework tip  2

Graph intersect x-axis approximately at -0.4.

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