y=x is a linear function. This is the only function not to a power
I think it's A.cody ate two-thirds of the apple pie
Answer:

Step-by-step explanation:
Given function : 4x³ + ln(y²) + 2y = 2x
on differentiating both sides with respect to 'x', we get

or

or

or

or

or

or

It would be 20 years because if En is 100 Mark will be 25. 25 times 4 is equal to 100