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, Problem 41RE
To determine

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

Expert Solution

Answer to Problem 41RE

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 x+y2=14

Calculation:

Now solve y in terms of x gives,

  y2=14xy=±14x

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=±14x

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