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 2.7, Problem 13E
To determine

To Check : whether the function is one to one or not.

Expert Solution

Answer to Problem 13E

No, the function is not one to one.

Explanation of Solution

Given information : The function f(x)=x is given.

Formula used : If f(x) is one to one then if, f(x1)=f(x2), then x1=x2 .

Calculation :

This function is not one to one. For instance

  f(1)=1=1 And also, f(1)=1=1

Hence x1x2 .

Therefore the function f(x)=x is not one to one.

Have a homework question?

Subscribe to bartleby learn! Ask subject matter experts 30 homework questions each month. Plus, you’ll have access to millions of step-by-step textbook answers!