Consider the function f(x) = \frac{2^{x}-1}{x} .

**(a)**
Fill in the following table of values for

-0.1 | -0.01 | -0.001 | -0.0001 | 0.0001 | 0.001 | 0.01 | 0.1 | |

**(b)**
Based on your table of values, what would you expect the limit of

**(c)**
Graph the function to see if it is consistent with your answers to
parts (a) and (b). By graphing, find an interval for

You can earn partial credit on this problem.