Match each domain and range of the functions with the corresponding answer. $\begin{array} { l }
\{ ( - 2,8 ) , ( 4,5 ) , ( 7,8 ) \} \
\{ ( 2,3 ) , ( - 4 , - 5 ) , ( - 7,8 ) \}
\end{array}$
-$\{ - 2,4,7 \}$
A) domain of (2)
B) domain of (1)
C) range of (1)
D) range of (2)

Question

Match each domain and range of the functions with the corresponding answer. $\begin{array} { l } 
\{ ( - 2,8 ) , ( 4,5 ) , ( 7,8 ) \} \
\{ ( 2,3 ) , ( - 4 , - 5 ) , ( - 7,8 ) \}
\end{array}$
-$\{ - 2,4,7 \}$
A) domain of (2)
B) domain of (1)
C) range of (1)
D) range of (2)

Quizplus · Accepted Answer

The domain of a function consists of all the first elements in each ordered pair of the function. For the first function, the domain is $\{-2, 4, 7\}$, which matches with option B.

Match Each Domain and Range of the Functions with the Corresponding