Respuesta :

Answer:

linear

Step-by-step explanation:

because it increases by 18 thats the slope

Answer:

Linear

Step-by-step explanation:

You can simplify the equation by distributing the 9 in:

y = 18x  ⇒  And this equation is indeed linear

So, that means that y = 9(2x) is linear

Hope this helps! :)