Question

What are the domain and range of this relation:{(-3, 14), (0,7), (2.0), (9, -18), (23,-99)}

Answer 1

Domain is all the x values while the range is all the y values . Base on your question the domain and range are as follows

$\begin{gathered} \text{domain: }\left\lbrace -3,0,2,9,23\right\rbrace \\ \text{range: }\left\lbrace 14,7,0,-18,-99\right\rbrace \end{gathered}$

Generally, domain is the input values of a function while range is the output values of a function.