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State whether the graph of each linear relationship is a solid line or set of unconnected points explain your reasoning the relationship between the number of $12 DVDs you buy and the total cost

User Onlyjob
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Hello! The graph of each linear equation is a set of unconnected points. The thing is that with a solid line, you can have things in-between whole numbers. However, you can’t have a fraction of a movie. Dotted points show that you can’t have in between values and that only whole quantities count.
User Spartak
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