Answer:

And on this case we can use the product rule for a derivate given by:

Where
and
And replacing we have this:

Step-by-step explanation:
We assume that the function of interest is:

And on this case we can use the product rule for a derivate given by:

Where
and
And replacing we have this:

70/81 is 7/81+7/9 as a proper fraction
Answer:
A)
Step-by-step explanation:Quadratics
Answer:
I believe its ALL REAL NUMBERS
Step-by-step explanation:
im not sure because they didnt put in a picture of the graph