A person scores f(x) = 90/1 + 4e^-0.4t points on a test after t hours of studying. What does the person score without studying at all? Compute f’(0) and estimate how many points 1 hours of studying will add to the score.

Question

A person scores f(x) = 90/1 + 4e^-0.4t   points on a test after t hours of studying.  What does the person score without studying at all?  Compute f’(0) and estimate how many points 1 hours of studying will add to the score.

anonymous · Answer

attachment

anonymous · Answer

@Best_Mathematician  can u help?

anonymous · Answer

here ya go http://www.educreations.com/lesson/view/onegirl/7518395/?s=Xug5MW&ref=link

anonymous · Answer

thanks!