Functions

If f(x)=[x2]-[x]2 and x lies between [0,2]
then the range of f(x) is:
(a){-1,0}
(b){-1,0,1}
(c){0}
(d){0,1,2}

1 Answers

36
rahul ·

an easy logic is ....
for x belonging to integer this quantity equals 0...
so, the max value of f(x) in the interval [0,2] can be
achieved at x = 1.9 which equals 2
and since none of options have 2 in them... so answer (d)
... :)this line just for fun

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