Answer:
-19
Step-by-step explanation:
The missing table is shown in the attachment.
Since the quadratic function has vertex at (0,3), its equation is of the form;

To find the value of 'a' we substitute any other point from the table say (1,2) to get:


Hence the function is

Now


The average rate of change from x=9 to x=10 is

Okay so any calculator works:
2 + 2 + 6 + 6 = 16
16 * 3.5 = 56 cm.
90 divided by 5 is 18 so $18 is the answer
Answer:
What are you trying to do you have not Explained to us
Step-by-step explanation: