Answer:
600
Step-by-step explanation:
You would do 36,000 divided by 60 because there are 60 minutes in an hour, and it would be 600.
The answer is B The domain is all real numbers such that ...
When x=-1:

Ok that gives us a little more information.
If we implicitly differentiate with respect to t, from the very start, then we can apply our product rule, ya?

The right side is zero, derivative of a constant is zero.
Where x' is dx/dt and y' is dy/dt.
From here, plug in all the stuff you know:
y' = -3
x = -1
y = 4
and solve for x'.
Hope that helps!
I believe it is D if i’m correct
Answer:
i want to say the answer is C, i'm sorry if its incorrect, but i'm 50/50 that its C