Question

1. figure 1 below plots the worldwide sale of cell phones between 2000 and 2006. if you were researching for dramatic changes in cell phone technology, during which period would you focus? figure 1 worldwide sale of cell phones 2000 2001 2002 2003 2004 2005 2006 year 2002 - 2004 2000 - 2002 2003 - 2005 2001 - 2003

Explanation:

Step1: Observe graph slope

Check where slope is steepest.

Step2: Identify steep - slope period

2003 - 2005 has steepest rise.

Answer:

2003 - 2005