The table shows a car's speed as it accelerates. What is the average rate of change between seconds 1 and 3?
options:

9 mph


27 mph


18 mph


5.4 mph

There's only one answer. Please help, I would really appreciate it.

The table shows a cars speed as it accelerates What is the average rate of change between seconds 1 and 3 options 9 mph 27 mph 18 mph 54 mph Theres only one ans class=