Answer:
hello :
the perimeter is : p = 2(w + l )
p = 2(4.5+6) = 21 millim
In order to find average rate of change over an interval, do the y2-y1/x2-x1. Solve y for x=9 and x= 4
y2 = -3(9-4)^2 + 3 = -72
y1 = -3(4-4)^2 + 3 = 3
Now, x2 matches with y2 and and x1 matches with y1 obviously...
-72 - 3/9 - 4 = -15
Answer: D, The Seattle resident has 32.21/CPI more than the Atlanta resident.
Step-by-step explanation: This can be solved by figuring out the price per CPI.