The second one is the function
1 milliliter = 0.001 liters
400 milliliters = 0.4 liters
Therefore, 4 liters is greater than 400 milliliters
The standard form of a line is in the form

A, B and C are integers, and A is positive. Let's start with multiplying the whole equation by 3 to get rid of denominators:

Subtract 3y from both sides:

Which of course is equivalent to

Which is the standard form, given the coefficients A=1, B=-3, C=6.
The answer is 0.125....................................