Explain inverse of a function Similarly.
• • and •
every the we f 'he
(The doe. mean find the
oi write down the equation and then solve
function of resulting equation •f
If one-toone. then f has an inverse defined '-m its
range and. conversely. f has •nverse. f is
defined on the rangc "t f It f one-to-one from A
'o B. and g i' one-to-one from B to C. then fo g i'
A to C. and
If f: X Y is bijective then f : Y + X is
Moreover,' • ' Y,
9
of fis R -
Let =
so cxy + dy = ax + b x =
Let y =
