Question

1. What is a One-to-One Function?​

Answer 1

Answer:

In mathematics, an injective function is a function f that maps distinct elements to distinct elements; that is, f = f implies x₁ = x₂. In other words, every element of the function's codomain is the image of at most one element of its domain

Answer 2

$\huge{\boxed{\boxed{\mathfrak{\underline{\overline{\red{S{\green{o{\orange{l{\blue{u{\pink{t{\purple{i{\color{silver}o{\color{cyan}n}}}}}}}}}}}}}}}}}}}$

One to one function is each domain have one range for it. Consider the above picture for example.