Consider the function

$\varphi: \lbrace -6,-5,...,2,3 \rbrace \rightarrow \lbrace -6,-5,...,2,3 \rbrace$

$x$	-6	-5	-4	-3	-2	-1	0	1	2	3
$\varphi(x)$	-6	3	-2	-4	2	-3	1	0	-5	0

(a) Is this one-to-one? (Y/N)

(b) Is this onto? (Y/N)

(c) Is this bijective? (Y/N)