For this case we have the following function:

By definition, the average rate of change is given by:

We evaluate the function for the given values:
For x = 7:

For x = 14:

Then, replacing values we have:
Answer:
the average rate of change from x = 7 to x = 14 is:
a. 23.22
Answer:
false
false
true
false
true
Step-by-step explanation:
brainliest?
Answer:
1/3
Step-by-step explanation:
the formula of common ratio is given as

a1= 27 ,a2=9
r= 9/27
r= 1/3