The gross income of a business over time can be represented as a set of ordered pairs in which the first element, x, is the number of the year and the second element, y, is the gross income. the gross income is given for years 1 and 2. a constant rate of change is expected for the next several years. complete parts (a) through (c).
year 1 (1997) gross income (in 1000's)equals=$2727
year 2 (1998) gross income (in 1000's)equals=$23