The scatter plot shows the elevation of a hiker
above sea level during a hike. The trend line
passes through points (30, 1,120) and (75, 1640).
If the hiker starts at 683 feet above sea level and
maintains the same rate, how far above sea level
will she be after one hour?
ELEVATION ABOVE SEA LEVEL (FEET)
y
2500
2000
1500
1000
500
0
30
60 90
TIME AFTER STARTING (MIN)
120