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Which graph is the graph of y=⌈x⌉ over the domain 3≤x≤6 ?

(Graphs below)

Which graph is the graph of y=⌈x⌉ over the domain 3≤x≤6 ? (Graphs below)-example-1

1 Answer

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the bottom right graph is correct. x must fall between 3 and 6, so that automatically rules out the bottom left, as one of the points falls on 2.

the top left is incorrect because it doesn't show that x is greater than or EQUAL to three. it has an open circle rather than a closed circle. that's two answer choices eliminated.

from there, you just have to refer back to your given information:

3≤x≤6

the given info says that x must be between or equal to 3 and 6. the top right graph leaves out a "step" because it has 5 and 6 as solid dots side by side.
User AVEbrahimi
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