3.
(02.04 LC)

The table of values represents a linear function g(x), where x is the number of days that have passed and g(x) is the balance in the bank account:

x g(x)
0 $1,500
2 $1,350
4 $1,200

Write the equation of the line in point-slope, slope-intercept, and standard forms. (3 points) I need somebody to explain this equation, i dont understand it.