1.

Let f(x)=[x]^(2)+[x+1]-3 where [x] le x. Then

Answer»

`f(X)` is many-one and into FUN.
`f(x)=0` for infinite number of values of x
`f(x)=0` for onlytwo real values
`f(x)` is a one-one function

Answer :A::B


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