Graph these data.
The above data give the elevation of the surface of the Great Salt Lake in Utah.
Year, y Elevation, E (ft)
1965 ............................. 4,193
1970 ............................. 4,196
1975 ............................. 4,199
1980 ............................. 4,199
1985 ............................. 4,206
1990 ............................. 4,203
1995 ............................. 4,200