Which one of the following is correct ? The function
`f(x) =(x-1)e^(x)+1` is

Which one of the folloiwng is correct in respect of the function f(x)=x(x-1)(x-1) ?

Which one of the following is correct in respect of the function f(x)=(x^(2))/(|x|) for xne0 and f(0)=0 ?

Which one of the following is true ? For the real function : f(x)={{:(x+2" if "xle1),(x-2" if "xgt1):} ,

Which one of the following is correct in respect of the function f:RRtoRR^(+) defined as f(x)=|x+1| ?