I don’t understand your question can you go into more detail please
Points of inflections are zeroes of the second derivative. We have:

So, the second derivative equals zero if and only if

So, this is the only point of inflection of this function.
It will take Mandy an hour, seven minutes, and thirty seconds to complete the race.
(67 minutes and 30 seconds)
I hope my answer helped!
Aidan has put 21 hours of work. To simplify it, Harry worked 7 hours and Aidan worked 7 x 3 times which equates to 21 hours.
Answer: Ist integer = 32
2nd integer = 34
Step-by-step explanation: SEE THE ATTACHED