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First, we make sure whether the line itself is correct. Each line is correct and they are all the same so none of them are ruled out.
Next, we check if the inequality says
\[\ge /\le />/<\]
If its either greater than or equal to or less than or equal to, then it's a solid line. If it's a dotted line, it's either > or <.
Now, because we know that we're looking for a greater than, we can rule out B and D as they are solid lines.
Finally, we need to figure out if it's A or C. We do this by plugging in a value into the inequality that works. For example, (1, 7) is true when put into the inequality. Now, we look at the graphs and see if it's A or C that has this value included in its shaded area.
We find that A is the real answer.
Good guess, just try the last step again maybeXD
C is definitely not correct, but can someone tell me what is difference between A and B?