Mathematics

Problem

Values of the functions

f

and

g

are listed for

x

near

4

. x | 3.90 | 3.99 | 4.01 | 4.10 f(x) | 15.21 | 15.9201 | 16.0801 | 16.81 g(x) | 15.90 | 15.99 | 16.01 | 16.10 What is the best estimate of

\displaystyle \lim_{x\to 4}\frac{f(x)-g(x)}{x-4}

? a)

8

6

7

5