Answer:
The rate change is 3, and it is a linear model.
Step-by-step explanation:
Andre continuously puts in $3 each week, don't be confused by the skipping numbers, and it's linear because the line would continuously climb up in a straight line.
Answer:
The rate of change varies. It is a non-liner model.
This is what I'm thinking because the answers on each do not have the same distance away from each other.
105-72=33
120-105=15
168-120=48