Graph of Minimum Wage Function
By Thuy Nguyen
The following is a table containing the data of the national minimum wage from 1938 to 2009. The first column is the year and the second column is the minimum wage.
1938 |
$0.25 |
1939 |
$0.30 |
1945 |
$0.40 |
1950 |
$0.75 |
1956 |
$1.00 |
1961 |
$1.15 |
1963 |
$1.25 |
1967 |
$1.40 |
1968 |
$1.60 |
1974 |
$2.00 |
1975 |
$2.10 |
1976 |
$2.30 |
1978 |
$2.65 |
1979 |
$2.90 |
1980 |
$3.10 |
1981 |
$3.35 |
1990 |
$3.80 |
1991 |
$4.25 |
1996 |
$4.75 |
1997 |
$5.15 |
2007 |
$5.85 |
2008 |
$6.55 |
2009 |
$7.25 |
Let 1938 = 1, 1939 = 2, 1945 = 8, etc. We now have
1 |
$0.25 |
2 |
$0.30 |
8 |
$0.40 |
13 |
$0.75 |
19 |
$1.00 |
24 |
$1.15 |
26 |
$1.25 |
30 |
$1.40 |
31 |
$1.60 |
37 |
$2.00 |
38 |
$2.10 |
39 |
$2.30 |
41 |
$2.65 |
42 |
$2.90 |
43 |
$3.10 |
44 |
$3.35 |
53 |
$3.80 |
54 |
$4.25 |
59 |
$4.75 |
60 |
$5.15 |
70 |
$5.85 |
71 |
$6.55 |
72 |
$7.25 |
We can now generate a graph for the minimum wage function f(t) with t = number of years since 1937. That is, t = 1 for 1938.