Question

Select all of the following tables which represent $y$ as a function of $x$ and are one-to-one. \begin{tabular}{|c|c|c|c|} \hline $x$ & 5 & 7 & 7 \\ \hline $y$ & 2 & 9 & 11 \\ \hline \end{tabular} \begin{tabular}{|c|c|c|c|} \hline $x$ & 5 & 7 & 14 \\ \hline $y$ & 2 & 9 & 9 \\ \hline \end{tabular} \begin{tabular}{|c|c|c|c|} \hline $x$ & 5 & 7 & 14 \\ \hline $y$ & 2 & 9 & 11 \\ \hline \end{tabular}

          Select all of the following tables which represent $y$ as a function of $x$ and are one-to-one.

\begin{tabular}{|c|c|c|c|}
\hline
$x$ & 5 & 7 & 7 \\
\hline
$y$ & 2 & 9 & 11 \\
\hline
\end{tabular}

\begin{tabular}{|c|c|c|c|}
\hline
$x$ & 5 & 7 & 14 \\
\hline
$y$ & 2 & 9 & 9 \\
\hline
\end{tabular}

\begin{tabular}{|c|c|c|c|}
\hline
$x$ & 5 & 7 & 14 \\
\hline
$y$ & 2 & 9 & 11 \\
\hline
\end{tabular}

Select all of the following tables which represent y as a function of x and are one-to-one.

x 5 7 7

y 2 9 11

x 5 7 14

y 2 9 9

x 5 7 14

y 2 9 11

Added by Anna K.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Sherrie Fenner

08/03/2021

Step 1

To determine if a table represents y as a function of x and is one-to-one, we need to check if each x value corresponds to a unique y value. Show more…

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Select all of the following tables which represent y as a function of x and are one-to-one. able[[x,5,7,7],[y,2,9,11]] able[[x,5,7,14],[y,2,9,9]] able[[x,5,7,14],[y,2,9,11]] Select all of the following tables which represent y as a function of c and are one-to-one. 5 7 y 2 9 7 11 x 7 14 y 2 9 9 5 7 14 y 2 9 11