Is the following relation a function?

It's not a function

Step-by-step explanation:

A function it's like a "machine" that transform a value from a set to only one value from another set.

In mathematics:  Let A and B sets, A is the domain and B is the codomain of the function f.  f : A ⇒ B.

By the given above definition of a function, the graph shown indicates for example that f(0)= 1 and - 1; this contradicts the definition of the function.

So, the graph shown it's not a function

according to this law, when unemployment goes up by 1%, gdp drops by 2%. in the question, unemployment rate goes from 2% to 5%, meaning unemployment goes up by 3%, so the gdp drops by 6%. thus the effect is a drop in gdp by 6%.

step-by-step explanation:

step-by-step explanation: