Step-by-step explanation:

Answer:
10 7
20 14
30 21
Step-by-step explanation:
At x=2, y=4
At x=4, y=16
So the total change in y from x=2 to x=4 is 16-4=12
And since average rate of change = total change in y divided by total change in x within the same period, therefore the answer is 12/2 = 6
Hope that helps. Let me know if you have any questions.
Answer:
the actual answer is 20 units
Step-by-step explanation:
Answer:
yes yes no
Step-by-step explanation: