Let $f : R \to R$ is defined by <br> $f(x) = \begin{cases} x+2, & x \leq -1 \\ x^2 , & -1 < x <1 \\ 2-x, & x \geq 1 \end{cases}$<br> Then the value of $f(-1.75) + f(0.5) + f(1.5)$ is :

Question

( A ) 2
( B ) -1
( C ) 1
( D ) 0