The answer is 21.
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Answer:
it would be 27 units between line A and B
Answer:
the answer is D. all real numbers greater than or equal to 2.
Step-by-step explanation:
looking at the graph, half of a parabola is curved upwards, and will never stop going up. looking at (1, 2), the dot (instead of circle) indicates the range is greater than or equal to itself, which is 2.