### Home > CCA2 > Chapter 2 > Lesson 2.2.2 > Problem 2-120

2-120.

Is −578 a term in the sequence defined by ? Justify your answer. Homework Help ✎

Substitute −578 for *t*(*n*).

Isolate the variable to solve for *n*. Is *n* a positive integer?

2-120.

Is −578 a term in the sequence defined by ? Justify your answer. Homework Help ✎

Substitute −578 for *t*(*n*).

Isolate the variable to solve for *n*. Is *n* a positive integer?