So the equation you'll use is (18,000 × .041)y+18000. Y is your years which is 20. So all you need to do is plug it in to get (18,000 × .041)20+18000 and when solved is 32,760 downloads by 2030
-2(-2)+3=7
-2(0)+3=3
-2(4)+3=-5
Dividing is changed to multiplication by inverting the second fraction. So:
Subtract*************************************************************88888
I got 3x^2 + 12x + 4. I recommend you verify my answer, so you have to combine like terms in the first expression then add all the expressions.