Explain the difference between a function and a one-to-one function.

A function for which every element of the range of the function corresponds to exactly one element of the domain. ... Note: y = f(x) is a function if it passes the vertical line test. It is a 1-1 function if it passes both the vertical line test and the horizontal line test.

A one-to-one function is a function in which the answers never repeat.

42

step-by-step explanation:

256/6=42

1/800 is the right answer