### Home > CCA2 > Chapter 7 > Lesson 7.1.4 > Problem7-70

7-70.

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

This problem doesn’t make sense!” he exclaimed.  Tess was working on her homework as well.

"This problem is about a SEQUENCE, $t\left(n\right) = 9n − 2$ , but it is asking whether or not it is a function. How can a sequence be a function?