Answer:
$722444.49386776
Step-by-step explanation:
Use Compound Intrest Formula

- where p is the original amount.
- R is the amount of percentage compounded
- N is amount of times compounded per year.
- T is how long the interest last.
P is 400,00p
T is 12% or 0.12
N is 4 since it is compounded quarterly
T is 5.
Plug the values in

Ypu get
$722444.49386776
Answer:
Decay...? Read below
Step-by-step explanation:
Assuming you meant to put 20 - (1.27)x, it is decay. As the x increases, the y decreases, making it decay.
I think the answer is A. 7 5/6
M=12/n
N=12/m
Really you just need to do please excuse my dear aunt sally. and it should do the trick.