The table below gives values of an invertible function $f(x)$:

$x$	-2	-1	0	1	2
$f(x)$	4	0	5	-3	2

(a) $f(0) =$

(b) $f($ $) = 0$

(c) $f^{-1}(0) =$

(d) $f^{-1}($ $) = 0$