Let f(x) = x – [x], where x ≥ 0 and [x] is the greatest integer not larger than x. Then f(x) is a

linearly decreasing function between two integers

monotonically increasing function

monotonically decreasing function

linearly increasing function between two integers

Let f(x) = x – [x], where x ≥ 0 and [x] is the greatest integer no

1.	Let f(x) = x – [x], where x ≥ 0 and [x] is the greatest integer not larger than x. Then f(x) is a
A.	monotonically increasing function
B.	monotonically decreasing function
C.	linearly increasing function between two integers
D.	linearly decreasing function between two integers
Answer» D. linearly decreasing function between two integers

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Let f(x) = x &ndash; [x], where x &ge; 0 and [x] is the greatest integer not larger than x. Then f(x) is a

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Let f(x) = x – [x], where x ≥ 0 and [x] is the greatest integer not larger than x. Then f(x) is a