# Determine whether the equation defines y as a function x or not.

### Precalculus: Mathematics for Calcu...

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

### Precalculus: Mathematics for Calcu...

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

#### Solutions

Chapter 2, Problem 42RE
To determine

## Determine whether the equation defines y as a function x or not.

Expert Solution

The last equation is a rule that gives one value of y for each value of x ,

So it defines y as a function of x .

### Explanation of Solution

Given information: consider the equation 3xy=8

Calculation:

Now solve y in terms of x gives,

y=3x8y=(3x8)2

The last equation is a rule that gives one value of y for each value of x ,

So it defines y as a function of x .

Thus, write the function as y=(3x8)2

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