Answer:
1. The y-int is 20,000 which is how much the car was originally worth.
2. The slope is -1800, so for every year (t) it goes down from 20,000 by 1800
3. After 5 years.
Step-by-step explanation:
11000=-1800(t)+20000
subtract 20000 from both sides
-9000=-1800(t)
divide -1800 from both sides
5=t