### Home > A2C > Chapter 8 > Lesson 8.1.4 > Problem 8-72

8-72.

While working on their homework on sequences, Davis was suddenly stumped!

Does the sequence have any *x*-values for which there is more than one *y*-value?

8-72.

While working on their homework on sequences, Davis was suddenly stumped!

Does the sequence have any *x*-values for which there is more than one *y*-value?