Mara Boyd

2023-01-01

For what value of c is the relation a function: (2,8),(12,3), (c,4), (-1,8), (0,3)?

Yaretzi Huynh

Expert

Every x-value in a function has exactly one and only one y-value.
So, $\left\{c\mid c\ne 2,12,-1,0,c\in \mathbb{R}\right\}$.

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