Which of the following best describes the ordered pairs listed below?

(-1, -5), (2, -8), (-1, -12), (6, -12)

neither a relation nor a function
both a relation and a function
relation only
function only

Question

Which of the following best describes the ordered pairs listed below?

(-1, -5), (2, -8), (-1, -12), (6, -12)

neither a relation nor a function
both a relation and a function
relation only
function only

jdoe0001 · Answer

keep in mind that a "function" has no repeats on "x values"

anonymous · Answer

c ?

jdoe0001 · Answer

well... do you think is a function?   does it have any "x" repeated?

anonymous · Answer

it has 2 -12s

anonymous · Answer

right?

anonymous · Answer

@jdoe0001

jdoe0001 · Answer

$\bf (-1, -5), (2, -8), (-1, -12), (6, -12)\implies 

\begin{array}{rrccllll}
x&y\
\hline\
-1&-5\
2&-8\
-1&-12\
6&-12
\end{array}$

see any "x" repeats?

jdoe0001 · Answer

$\large \begin{array}{rrccllll}
x&y\
\hline\
{\color{red}{ -1}}&-5\
2&-8\
{\color{red}{ -1}}&-12\
6&-12
\end{array}$   look closely

jdoe0001 · Answer

so you do have a "x value" that repeats, thus is not a function
so that makes it only a relation

jdoe0001 · Answer

c ?   $\checkmark$

anonymous · Answer

Directions: Select all the correct answers.Which of the following have the same y-intercept as the equation y = 2x + 3? A.) a line through the points (-3, 0) and (-1, 2) B.) x y -3 5 3 3 6 2 C.) https://s3.amazonaws.com/platocdn/EdAssets/a7dfc91b94334843ba259905f5324a15?ts=635035297810500000 D.) x y -2 2 1 3 4 4

anonymous · Answer

@jdoe0001

jdoe0001 · Answer

it'd be better to post anew, thus more exposure and we all can revise each other