### Home > CAAC > Chapter 14 > Lesson 14.2.1.7 > Problem2-105

2-105.

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

1. The function $f(x)=3x−5$.

The domain is any value of x that yields a real number value for y.

1. The sequence $t(n)=3n−5$.

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

1, 2, 3...

1. The function f(x) = $\frac { 5 } { x }$.

Can 5 be divided by any number?

x cannot equal zero.

1. The sequence $t(n)=\frac{5}{n}$.

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