The attached Word document contains all three requested solutions. The problems employ Forward Difference and Central Difference formulas to estimate f'(x) and f''(x).
Please see the attached file for the fully formatted problems.
The idea of this problem I guess is to show the student that sometimes the sweat one puts in the calculations is not worth the time.
Just doing the *interpolation* (why on earth did it say ...
Derivtives are estimated by forward difference, central difference and extrapolation. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.