Question

Which of following describes a function

Answer 1

A mathematical function is a equation that allows one to input a domain, or a X-value to get and perform a mathematical calculation that gives you outputs.

one examples of this is:

f(x)=-x^3+5

Answer 2

a function can have two domains having the same range but one domain can not have two ranges

Explanation:

example:

{(-2,3),(-3,3),(-4,3)}

Each member of the domain is assigned exactly one member of the range.