Question

Tell whether the relation is a function.

Answer 1

No, it is not a function

Explanation:

Here, we want to tell if the relation is a function

For the relation to be a function, each independent variable must be mapped to only a single dependent variable

So what this means is that one term of the independent side must be mapped to one term of the dependent side

From the question, we can see that -10 and -15 were both mapped to -10 which should not be so

This means that the relation is not a function