Sunday

April 20, 2014

April 20, 2014

Posted by **Peter** on Thursday, August 9, 2012 at 12:48am.

|y| = 4 - x

If I plug in 5, then I get -1, but it also means 1. Does that mean y has 2 values which means that it is not a function?

- Pre-Calculus -
**drwls**, Thursday, August 9, 2012 at 2:46amYou are correct.

There are two y's for each x. y is not a function of x.

**Related Questions**

Pre-calculus - Find the critical point of the function y=-2(x-1)^2-3. Then, ...

Pre-calculus - Find the critical point of the function y=-2(x-1)^2-3. Then, ...

Algebra 1 (Reiny or Kuai) - 1. Graph each equation. Tell whether the equation ...

pre-calculus - Determine whether y is a function of x: x^2y-x^2+4y=0 Please help...

algebra - Determine whether the following relation represents a function. If the...

Pre Calculus 12 - Graphing trigonometric functions A sinusoidal function has a ...

calcius - Determine whether the relation represents a function. If it is a ...

Pre-Algebra - Okay so I have no clue how to determine if a relation is a ...

Algebra - 1. Determine whether the relation is a function. {(-2, -7), (3, -5), (...

Algebra - Explain how you would determine whether the graph of y = x^4 ...