Answer
a) $(1,0)$
b) $(3,-1)$
c) $(0,a)$
d) $(b,0)$
e) $(d,-c)$
f) $(-g,f)$
Work Step by Step
If we reflect a point $(a,b)$ to the line $y=x$, the reflection will be $(b,a)$.
Hence, we have:
a) $(1,0)$
b) $(3,-1)$
c) $(0,a)$
d) $(b,0)$
e) $(d,-c)$
f) $(-g,f)$