Give the domain and range of the relation.
-Annual New Telemarketing Companies $$\begin{array} { c | c }
\text { Year } & \text { Number } \
\hline 1993 & 52 \
1994 & 102 \
1995 & 187 \
1996 & 170 \
1997 & 218
\end{array}$$
A) domain: {Year}; range: {Number}
B) domain: {1993, 1994, 1995, 1996, 1997}; range: {52, 102, 170, 187, 218}
C) None of these
D) domain: {52, 102, 170, 187, 218}; range: {1993, 1994, 1995, 1996, 1997}

Question

Give the domain and range of the relation.
-Annual New Telemarketing Companies $$\begin{array} { c | c } 
\text { Year } & \text { Number } \
\hline 1993 & 52 \
1994 & 102 \
1995 & 187 \
1996 & 170 \
1997 & 218
\end{array}$$
A) domain: {Year}; range: {Number}
B) domain: {1993, 1994, 1995, 1996, 1997}; range: {52, 102, 170, 187, 218}
C) None of these
D) domain: {52, 102, 170, 187, 218}; range: {1993, 1994, 1995, 1996, 1997}

Quizplus · Accepted Answer

The domain of a relation is the set of all first elements of ordered pairs (x-values), and the range is the set of all second elements of ordered pairs (y-values). In this context, the domain is the set of years {1993, 1994, 1995, 1996, 1997}, and the range is the set of numbers of new telemarketing companies {52, 102, 170, 187, 218}.

Give the Domain and Range of the Relation Year Number 1993521994102199518719961701997218\begin{array} { c | c } \text { Year } & \text { Number } \\\hline 1993 & 52 \\1994 & 102 \\1995 & 187 \\1996 & 170 \\1997 & 218\end{array} Year 19931994199519961997​ Number 52102187170218​​

Give the Domain and Range of the Relation $\begin{array} { c | c } \text { Year } & \text { Number } \\\hline 1993 & 52 \\1994 & 102 \\1995 & 187 \\1996 & 170 \\1997 & 218\end{array}$