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Alexus [3.1K]
3 years ago
5

Is this

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
5 0
We can use the vertical line test

if we can draw a vertical line that passes through the points twice, then it is not a function (remember, every x has 1 y coresponding)

we can't draw any vertical line

this is a floor function actually
the empty circles are like the > or < sign
the filled in circles are like ≤ or ≥

this is a function  and it is one-to-one because every x goes with 1 y
da answer is B
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