Answer:
3
Step-by-step explanation:
f(3) = 2*3 -3
= 6-3=3
f(f(3)) = f(3)
so again,
f(3) = 2*3 -3
= 6-3= 3
B. and D. work. You are trying to figure out how many more cars they painted in the first and second years together than the third year. (5,000+7,213)-8,201=4,012
Danielle had a percent error of 13.6 (farthest)
Iris had a percent error of 6.8
HB has a percent error of -2.3 (closest)
So the order is HB, Iris, and then Danielle