calculus
posted by anonymous .
Let f(x)=1x^3+2.5x+3. In this problem you will estimate f'(3) by computing the average rate of change of f(x)over a small interval. Round your answers to three decimal places.
1. First choose the interval of length .1 with 3 being the left endpoint of the interval. Then f'(3)¡Ö
2. Now let the interval have length .01. Then f'(3)¡Ö
3. Finally let the interval have .001. Then f'(3)¡Ö
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