Answer:
arithmetic
Step-by-step explanation:
common difference because -6
DUDE WHAT GRADE R U IN!?!?!? IT'S SIMPLE ADDITION , BRO!!!
f(x) is a linear function with no restrictions
Domain: x = All real numbers
Range: y = All real numbers

Let's plug the given values and find value of y ~










or, you can further simplify it to ;
