Help please, my answers were wrong.

Mathematics
Tutor: None Selected Time limit: 1 Day

The following table gives values for a function 
N = N(t).
t
N = N(t)
1011.4
2021.3
3042.8
4051.6
5055.2
6055.7
7055.9
Calculate the average rate of change from 
t = 10
 to 
t = 20.

  

Use your answer to estimate the value of 
N(13).
(Round your answer to one decimal place.)
 
Sep 3rd, 2015

Thank you for the opportunity to help you with your question!

average rate of change = (21.3-11.4)/(20-10) = 0.99

N(13) =13* 0.99 =12.87 


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Sep 3rd, 2015

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