Determine if the relation illustrated is a function. Give the domain and range of the function or relation.
-five times a number $$\begin{array} { l }
3 \rightarrow 15 \
4 \rightarrow 20 \
5 \rightarrow 25 \
6 \rightarrow 30
\end{array}$$
A)function domain:{15, 20, 25, 30} range: {3, 4, 5, 6}
B)not a function domain:{15, 20, 25, 30} range: {3, 4, 5, 6}
C) function domain: {3, 4, 5, 6} range: {15, 20, 25, 30}
D) not a function domain: {3, 4, 5, 6} range: {15, 20, 25, 30}

Question

Determine if the relation illustrated is a function. Give the domain and range of the function or relation.
-five times a number $$\begin{array} { l } 
3 \rightarrow 15 \
4 \rightarrow 20 \
5 \rightarrow 25 \
6 \rightarrow 30
\end{array}$$
A)function domain:{15, 20, 25, 30} range: {3, 4, 5, 6}
B)not a function domain:{15, 20, 25, 30} range: {3, 4, 5, 6}
C) function domain: {3, 4, 5, 6} range: {15, 20, 25, 30}
D) not a function domain: {3, 4, 5, 6} range: {15, 20, 25, 30}

Quizplus · Accepted Answer

This relation is a function because each input (number) has exactly one output (five times the number). The domain is the set of inputs {3, 4, 5, 6}, and the range is the set of outputs {15, 20, 25, 30}.

Determine If the Relation Illustrated Is a Function 3→154→205→256→30\begin{array} { l } 3 \rightarrow 15 \\4 \rightarrow 20 \\5 \rightarrow 25 \\6 \rightarrow 30\end{array}3→154→205→256→30​

Determine If the Relation Illustrated Is a Function $\begin{array} { l } 3 \rightarrow 15 \\4 \rightarrow 20 \\5 \rightarrow 25 \\6 \rightarrow 30\end{array}$