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Michaela A.

asked • 05/12/18

Calculating upper and lower limits for a linear function

I am asked to calculate the lower limit and upper limit (L5 and U5) for the linear function y=13-3x, between x=0 and x=4.
 
I have found that Δx=4/5, and that x0 =0. However, I am getting my answers wrong when calculating x1, x2, ... x5.
 
For example, I tried to calculate x1 by doing n/2 = 1/2, however this is incorrect.
 
Any help would be greatly appreciated. Thank you!

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