1. The table shows the minimum wage rates for the United States during different years. Year
1978 1979 1980 1990 1991 1996 1997 2007 2008 2009
Minimum hourly wage ($) 2.65 2.90 3.35 3.80 4.25 4.75 5.15 5.85 6.55 7.25
(a) On the line below, write the linear regression equation that models the data. Let x = time in years
since 1900 and let y = minimum hourly wage. Use Desmos, and do not round the equation it
gives you.
(b) Use the equation to estimate the minimum hourly wage of a U. S. worker in 2025. Use Desmos
and round to the nearest cent.
Minimum hourly wage =
Include "Snips" or screenshots showing everything you typed into Desmos to get these
answers. You must include these "Snips" in order to get full credit.