Question

Which of the following are the domain and range represented by this table?

X 4 3 -1 0 2
y 0 3 7 10 1

Answer 1

`\bf \begin{array}rrrrr \cline{1-6} \stackrel{domain}{x}&4&3&-1&0&2\\ \cline{1-6} \stackrel{range}{y}&0&3&7&10&1\\ \cline{1-6} \end{array}\qquad \qquad \begin{array}{llll} \stackrel{domain}{\{4,3,-1,0,2\}}\\\\ \stackrel{range}{\{0,3,7,10,1\}} \end{array}`

Answer 2

Explanation:

The x value is the domain.

The y value is the range.

These are just definitions. There is no explanation that I know of that explains why this is so.