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
Since he deposited 160 then took out 160 it did not change
Answer:
1. 3.82 miles
i dont have 2
3. 31
Step-by-step explanation:
Answer:
No
Step-by-step explanation:
2x+8 2(x+4)+4
2(x)+2(4)+4
2x+8+4
2x+12