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Home > A2C > Chapter 11 > Lesson 11.2.3 > Problem 11-74

11-74.

A sequence starts , … Use that information to complete parts (a) and (b) below.

  1. If the sequence is arithmetic:

  1. Find .

  2. Find .

  3. What is the shape of its graph?

  4. Which term is ?

Add (or subtract) the same amount again.

t(n) = 36 − 12n

Try graphing the sequence as a function.

Substitute −624 for t(n) and solve for n.

  1. If the sequence is geometric:

  1. Find .

  2. Find .

  3. What is the shape of its graph?

  4. Which term is

Multiply (or divide) by the same amount again.

Try graphing the sequence as a function.