The Fosters bought a car in 2003 for $38,799. In 2012 they decided they wanted to sell the car. If the value of the car is decre
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A solid dot on the graph of an inequality indicates that the number is contained within the inequality, so yo should use 
or 
to represent that situation, whereas a white dot indicates that the number is not contained within the inequality.
Our graph is telling us that
is greater or equal than -1, and also is less than 3. So our inequality will be:
Our graph is telling us that