# Question #c3676

##### 1 Answer

Nov 20, 2016

See explanation.

#### Explanation:

A function **for every value of #x# there is only one corresponding value of #f(x)#**

**Explanation 1**

The vertical line goes through ever point **all real** **one** argument **infinitely many** values **not** fulfill the condition defining a function

**Explanation 2**

Other way to justify such imposibility is that for every linear function

If we graph a vertical line we see that the angle between the graph and