Step-by-step explanation:



Option C: -3 is the average rate of change between
and 
Explanation:
The formula to determine the average rate of change is given by
Average rate of change = 
We need to find the average rate of change between
and 
Thus, from the table, we have,
, 
, 
Thus, substituting these values in the formula, we get,
Average rate of change = 


Thus, the average rate of change between
and
is -3.
Hence, Option C is the correct answer.
Answer:
Step-by-step explanation:
Distribute
10+4x+4+5
Combine like terms
19+4x
Final answer: 4x+19
Well, it depends on the window.