9514 1404 393
Answer:
A = 2
Step-by-step explanation:
Using 0 for p, we have ...
F(0) = (2·0 +4)/(0 -A) = 4/-A
We want this to be -2, so ...
-2 = 4/-A
A = 4/(-(-2)) = 2 . . . . multiply by A/-2
A = 2
Answer:
,
,
, 
Step-by-step explanation:
1880:
The predicted value is:


The residual value is:


1920:
The predicted value is:


The residual value is:


3(x-9)=-3
3x-27=-3
3x=24
X=8
Check: 3(8-9)=-3
So your number is 8