Question

x= y+2 and y= x+2 are two relation between x and y, where difference of the two coordinates x and y is 2. Write down four pairs of coordinates for each relation in two separate tables. Draw their graph using same set of rectangular axes. Do you get two graphs as two parallel lines.?​

Answer 1

$\huge\star\underline\mathfrak\red{Answer:-}$

A function is a set of ordered pairs in which each x-element has only ONE y-element associated with it. While a function may NOT have two y-values assigned to the same x-value, it may have two x-values assigned to the same y-value. Function: each x-value has only ONE y-value!