Question

Determine if 9|x|+y=4 is a function

Answer 1

`9\left|x\right|+y=4` represent a function

Explanation:

we know that

You can check whether a graph represents a function by using the vertical line test.

The vertical line test states that a graph represents a function if and only if all vertical lines intersect the graph at most once

In this problem we have

`9\left|x\right|+y=4`

using a graphing tool

This graph does represent a function, since any vertical line intersects the graph exactly once

see the attached figure

therefore

`9\left|x\right|+y=4` represent a function