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 77E
To determine

 Plot a graph.

Expert Solution

Answer to Problem 77E

  Precalculus: Mathematics for Calculus - 6th Edition, Chapter 1.9, Problem 77E , additional homework tip  1

Explanation of Solution

Calculation:

Consider the equations,

  y=x1/3 And  y=xx+4

The information is entered by student in the equation editor of the calculator as

  y=x1/3  and y=x/x+4

The display is as follows:

  Precalculus: Mathematics for Calculus - 6th Edition, Chapter 1.9, Problem 77E , additional homework tip  2

Set Xmin=20,Ymin=10,and,Ymax=10.

  Precalculus: Mathematics for Calculus - 6th Edition, Chapter 1.9, Problem 77E , additional homework tip  3

The graph of the function are given below:

  Precalculus: Mathematics for Calculus - 6th Edition, Chapter 1.9, Problem 77E , additional homework tip  4

The graphs displayed are different from the graphs the student wanted. The wrong graphs are displayed because the student forgot to put parentheses at appropriate places.

The information shown below in the equation editor of the calculator.

  y=x(1/3)  and y=x/(x+4)

  Precalculus: Mathematics for Calculus - 6th Edition, Chapter 1.9, Problem 77E , additional homework tip  5

The correct graphs are as follows:

  Precalculus: Mathematics for Calculus - 6th Edition, Chapter 1.9, Problem 77E , additional homework tip  6

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