Hello,
f(n+1)=f(n)-2
f(1)=10
f(2)=8
f(3)=6
...
The answer is B on edgeunity
Percent = 75%
base = unknown ...the base is the number that follows " of "
amount = 30
There is no exact rule for lines of best fit. However, in general, there should be roughly the same amount above as below. So, if we are following this rule, there should be about 4 below as well.