What should I prepare for international mathematical Olympiad?
1 answer:
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Answer:
In the attachment
Step-by-step explanation:
<, > - dots line
≤, ≥ - solid line
<, ≤ - shading to the left
>, ≥ - shading to the right
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We have x > -2
dot line x = -2
shading to the right
Check the picture below.
since we know the endpoints of the diameter of the circle, then we can simply get the midpoint of those endpoints and that'd be the center,
