Example 12
Let N be a set of natural numbers. Define a real valued function.
x | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
y | f(1) = ...... | f(2) = ...... | f(3) = ...... | f(4) = ...... | f(5) = ...... | f(6) = ...... | f(7) = ...... |