The ODE is separable:

Integrating both sides gives

Answer:
The required equation for the amount of Simple Internet = 
Step-by-step explanation:
Here , Principal amount = $450,000
Time = 1 year
Rate of Interest = 3.5%
Now,SIMPLE INTEREST = 
So, here SI = 
Hence, the required equation for the amount of Simple Internet = 
F(2) means that you are plugging in 2 for x, while f(x)=2 means that the equation equals 2 (y=2) at a certain x value.