### Home > CAAC > Chapter 14 > Lesson 14.2.1.8 > Problem 2-112

2-112.

Find a rule for each sequence. Homework Help ✎

*t(n)*=number of tiles

*n**t(n)*1

7

2

4

3

1

*n**t(n)*5

−20

6

−10

7

−5

Year

Cost

2

$2000

3

$6000

4

$18000

*t*(*n*) = 3*n*

*t*(*n*) = −3*n* + 10

See part (c).

See part (e).