OnetoOne Function
A function for which every element of the range of the function corresponds to exactly one element
of the domain. Onetoone is often written 11.
Note: y =
f(x)
is a function if it passes the vertical
line test. It is a 11
function
if it passes both the vertical line test and the horizontal
line test. Another way of testing whether a function is 11 is given
below.
