Answer:

Step-by-step explanation:

Neither point is on either function.
f(x) reflected over the x-axis is
y=-10 + x
ANSWER
6.4 hours
EXPLANATION
if it takes 10 hours to get 50%, then it will take less number of hours to get 32%
We use proportion to solve this question.
If less more divides.
The number of hours it will take to get 32% is


Hence it will take 6.4 hours to get 32%