Which of the statements about the inequality graphed here is incorrect?
a) the slope is negative
b) the inequality is y < -x + 2
c) (2,1) falls in the shaded region
d) the dotted line has the equation y = -x + 2

The solution in each item is enumerated below:

For item#1,
Interest in a year = savings amount * interest rate * time
Interest in a year = $55,000 * 2% * 1 year
Interest in a year = $1,100

For item#2,
Amount to keep inflation = $55,000 * 3.24% * 1 year
Amount to keep inflation = $ 1,782

For item#3,
Buying power loss = $1,782 - $1,100
Buying power loss = $682