Let f: R → R be a mapping such that f(x) =. Then f isa)Many&ndash...
-empty set A to a non-empty set B, we say that R is a function from A to B if for every element a in A there exists a unique element b in B such that (a,b) belongs to R.
In other words, a function maps each element of the domain A to a unique element of the codomain B. It is important to note that the domain and codomain can be the same set or different sets.
For example, the function f(x) = x^2 is a function from the set of real numbers to itself (i.e., f: R → R). For every real number x, there exists a unique real number x^2 such that (x,x^2) belongs to the relation defined by f.
On the other hand, the relation {(1,a), (2,b), (3,c)} is not a function from the set {1,2,3} to the set {a,b,c} because there is no unique element in the codomain for the element 1 in the domain.
Let f: R → R be a mapping such that f(x) =. Then f isa)Many&ndash...