Draw the graph of the following function is determine their range.
a. greatest integer function F(x) = (x)
b. f(x) = { 1-x x<0}
{ 1 x=0}
{x+1 x>0}
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Answer:
We've,
[x]=x−{x} for x∈R. Where {x} is the fractional part of x.
Now,
[x]−x=−{x}.
As we've 0≤{x}<1
or, −1<−{x}≤0.
So range of of f(x) is (−1,0].
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