Question

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The range of a relation is


A. the output (y) values of the relation


B. the input (x) values of the relation


C. a set of points that pair input values with output values


D. x and y values written in the form (x, y)

Answer 1

A.

Explanation:

Range of a function is the value that we get when a function is solved.

Say, f(x) = y.

We say this "set of x is domain" whereas "set of y is range".

Suppose,

set A = {1,2} & set B = {1,2,3} & f(x) = y

Let,

f(1) = 1, & f(2) = 2.

What we get is that there is no x for 3.

We say this fact by "set A is domain" & "set B is co domain" & set {1,2} (output) is range.