What is the equation of this line? •y=-1/2x •y=1/2x •y=-2x •y=2x
1 answer:
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The first picture represents the elements in B that are not (also) in A. So, we want the set difference of B and A:
For the second picture, we can work like this: if we take all the elements belonging to A, we only need to add the bottom-right part, which is the intersection of B and C. So, we can express the blue part as