For the Given Set of Ondered Pairs, Determine Whether a Function

True/False

For the given set of ondered pairs, determine whether a function could be defined for which the input would be an $\mathrm{x}$ -coordinate and the output would be the corresponding $\mathbf{y}$ -coordinate.
- $\{(1,9),(3,-5),(5,7),(7,4),(10,-3)\}$