Quadrilateral ABCD is dilated at center (0,0) with scale factor 1/2 to form quadrilateral A'B'C'D' what is the length of A'B'?
2 answers:
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Answer: D) All real numbers greater than or equal to -4.
Explanation:
The lowest point occurs when y = -4, which is where the vertex is located.
The range consists of y values such that y = -4 or y > -4. We can shorten that last sentence to say . So y is greater than or equal to -4.
As you can probably tell, the range is the set of all possible outputs of a function.