You have the following function:

Derivate implictly the previous expression, as follow:

Where you have used that:

Then, the implicit derivative of the given expression is:

Next, solve for y' as follow:

Answer:
f(1/3) = 9
Step-by-step explanation:
f(x)=1/x+2/x
Combine terms
f(x) = 3/x
f(1/3) = 3 / (1/3)
f(1/3) = 9
4 5/6 would be your answer then you figure out how to take away the whole number
The temperature at 10 pm is -3 degrees
Answer:
35
Step-by-step explanation:
that should be the answer