f(x2)-f(x1) |
x2-x1 |
4 |
x |
x | … | -3 | -2.3 | -2.2 | -2.1 | -2 | -1.9 | -1.7 | -1.5 | -1 | -0.5 | … |
y | … | -4.3 | -4.04 | -4.02 | -4.005 | -4 | -4.005 | -4.05 | -4.17 | -5 | -8.5 | … |
4 |
x |
4 |
x |
4 |
x |
x | … | -3 | -2.3 | -2.2 | -2.1 | -2 | -1.9 | -1.7 | -1.5 | -1 | -0.5 | … |
y | … | -4.3 | -4.04 | -4.02 | -4.005 | -4 | -4.005 | -4.05 | -4.17 | -5 | -8.5 | … |
4 |
x |
4 |
x |
f(x2)-f(x1) |
x2-x1 |