1, Might not be precise
2, Can be hard to plot the graphs
3, If there are many solutions that will be really hard to plot sometimes.
This is just from the top of my head.
and
. So we have a remainder of

and
. Subtracting this from the previous remainder gives a new remainder

and
. Subtracting this from the previous remainder gives a new one of

and we're done since 2 does not divide
. So we have

I beloved answer is 3 right dam
Fv=6599.20(1+0.042/12)^12*7
Fv=8850.20
Interest earned=8850.20-6599.20
=2,251
So the answer is a
The answer is 0.8
I think that’s the answer