The term "elevation" is often used to describe the height of a place (such as a city, a mountain, or a valley) compared to sea level. For example, the city of Houston, Texas has
an elevation of 105 feet. The surface of the sea has an elevation of O feet. Some places are
below sea level, so their elevations are negative values.
1. The table shows the elevation, e, of several towns.
180
12.1
5.4
-5.4
-36
-180
fle)
0
Function / gives the vertical distance of each town from sea level. Both e and fle)
are measured in feet. Complete the table of values.
How many feet from sea level is a city at an elevation of 180 feet? *
4po