CPM Homework Help : A2C Problem 2-105

Describe the domain of each function or sequence below. 2-105 HW eTool (Desmos). Homework Help ✎
1. The function f(x) = 3x − 5.
2. The sequence t(n) = 3n − 5.
3. The function.
4. The sequence .

Hint (a):

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

Hint (b):

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

Answer (b):

1, 2, 3...

Hint (c):

Can 5 be divided by any number?

Answer (c):

x cannot equal zero.

Hint (d):

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

Use the eTool below to explore the domains.
Click the link at right for the full version of the eTool: A2C 2-105 HW eTool