source : 0calc.com
View question – Which graph represents the function on the interval [−3, 3]?
This is a floor function graph
For any x, floor (x) is defined as the greatest integer less than or equal to x
For example, let x = 3 ….so….
floor (3) = 3
floor(3) – 3 = 0
And let x = 2.5 …..so….
floor (2.5) = 2
floor (2.5) – 3 = 2 – 3 = -1
The last graph is correct
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