I need help with 2&3
1 answer:
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We proceed to graph the points and verify which is within the shaded area
so
points B and D are not within the shaded area
point C is not a solution because it is in the limit and the limits are not included
point A is inside the shaded area
therefore
the answer is
the point A
see the attached figure
so
points B and D are not within the shaded area
point C is not a solution because it is in the limit and the limits are not included
point A is inside the shaded area
therefore
the answer is
the point A
see the attached figure