It is important so you can be more fluent or faster in knowing bigger problems
ANSWER:
STEP-BY-STEP EXPLANATION:
The operation is a multiplication, which is expressed as follows:
<h2>Hello!</h2>
The answer is:
The relation is a function
Domain: {-5,-3,1}
Range: {6,3}
<h2>Why?</h2>
It's a function since each input (domain) has only one value at the output (range). A function exists when there is only a single value for each input, if there is more than one output for each input, the relation is not a function.
Have a nice day!