### Home > CCA > Chapter 5 > Lesson 5.3.3 > Problem 5-123

5-123.

Describe the domain of each function or sequence below. 5-123 HW eTool (Desmos).

The function

.The domain is any value of

*x*that yields a real number value for*y*.

The sequence

.Keep in mind that this is a sequence, not a function.

1, 2, 3...

The function

*f*(*x*) =Can 5 be divided by any number?

*x*cannot equal zero.

The sequence

.Keep in mind that this is a sequence, not a function.

Click on each graph in the eTool below to help you determine the domain of each function or sequence.

Click on the link at right for the full eTool version: CCA 5-123 HW eTool