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OpenStudy (anonymous):
OpenStudy (anonymous):
The answer is the graph furthest on the bottom. Hope this helps :)
OpenStudy (anonymous):
A
OpenStudy (anonymous):
I don't get it though
OpenStudy (anonymous):
Its D or A??
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OpenStudy (anonymous):
A cux the root is -1
OpenStudy (anonymous):
Are you sure??
OpenStudy (anonymous):
It should be D.
OpenStudy (anonymous):
why
OpenStudy (anonymous):
I'm typing up an explanation right now, hold on :)
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OpenStudy (anonymous):
okay thanks :)
OpenStudy (anonymous):
First, Y is greater than or equal to 3. Therefore, anything shaded should be at least 3 units up. Nothing can be shaded below 3 units. Then, for the second equation, you can plug in a point to see if it works. When you plug in (0,0) for x and y, the answer does not work because 0 is not greater than 1. Since that point doesn't work, you know that there can't be any shading outside of the absolute value bars. When you plug in another point, like (-1,2) for x and y, the answer works because 2 is greater than 0. Therefore you know that there has to be shading within the absolute value bars. |dw:1416638976845:dw|
OpenStudy (anonymous):
thank you so much! could you help me with one more??