Question

For a function f:X-->Y, if range of f=Y , then f is

into function


onto function


one- one function

Answer 1

Answer:

For example, if a function is defined from a subset of the real numbers to the real numbers and is given by a formula y = f(x), then the function is one-to-one if the equation f(x) = b has at most one solution for every number b. ... A function is surjective or onto if the range is equal to the codomain.

Answer 2

Step-by-step explanation:

into function

please mark as best answer and thank