Let a function be defined from A to B then f is said to be one to one function if every element of domain has its unique image in co- domain . In other words, if each separate elements of set A are mapped with separate of set B then such function is known as one to one function.
24192 pqrs. Hope this helps
M = -3 + 1 / -2 - 12
m = -2 / -14
m = 1/7
I think