The difference between the 2 times would be .055 seconds...
1.5 times 6 is equal to 9. So the answer is 9 kilometers
I'll use subscript notation for brevity, i.e.
.
By the chain rule,



We have

and

When
, we have

and the partial derivatives take on values of

So we end up with

Answer:
the answer is 8
Step-by-step explanation: