Linear Inequalities and Linear Programming - Finite Mathematics

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Question

The graph depicts which inequality?

Screen shot 2016 05 11 at 2.06.48 pm

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Answer

To identify the inequality the graph represents first identify range.

Screen shot 2016 05 11 at 2.06.48 pm

Since the red line goes from negative four to infinity, we can right this in mathematical terms as follows,

Now, the inequality will remain a greater than sign because there is an open circle at four.

This means that does not equal four, it only equals values greater than four.

Thus, the correct inequality is

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