1/3 is the same as 3/9. To solve this, subtract 3/9 from 7/9.

Your answer is
Given

To obtain the minimum value of y, we first take the derivative of y
The derivative of y is:

Equating

gives the minimum value we require.
Doing that, we have:

So that

Therefore, the minimum value is x = 3
I think is 1863 m because if you use the formula for area
x=-26 is the final anwser :)
Answer:
41 if I'm reading the question right.