Answer:
8 hours
Step-by-step explanation:
it says: The half portion stays in her body for 8 hours.
For a function to have a derivative in a point has to be continuous at the point, that is, it has to be defined at that point, other wise the derivative would be meaningless.
Given that

, we have for

the Taylor series expansion about 0 as

Replace

with

, so that the series is equivalent to

and notice that

Recall that for

, we have

which means

Answer:
Step-by-step explanation:
Do it yourself m8!
Answer:
-2
Step-by-step explanation:
I mean i use the slope formula
and you just plug in the values of the coordinates.