CSC 156 Fall 2025 - Homework 9 (100 pts. total)
Assigned Mon Nov 17, due Mon Dec 1
BEFORE STARTING THIS ASSIGNMENT:
Before starting the exercises given below for each section, please make sure to read each section and check your understanding (by doing the participation exercises and those additional exercises with answers provided).
FOR ALL QUESTIONS IN THIS ASSIGNMENT:
Answer each question. *Make sure to justify your answer for all questions. Do NOT just state the answer.*
THE ASSIGNMENT:
[25 pts.] Section 6.1 Additional Exercises: #1bf,3ab,4e
[10 pts.] Question 1: For the sequence an = 4, 10, ...
a) Suppose an is an arithmetic sequence. What is the common difference? What are the next two terms?
b) Suppose an is a geometric sequence. What is the common ratio? What are the next two terms?
[15 pts.] Section 6.2 Additional Exercises: #1a,2d,3a (Extra credit 10 pts total: #4d, 7)
[10 pts.] Question 2: For the sequence cj=j2-1, find the value of 
.
[30 pts.] Section 6.3 Additional Exercises: #1a,1e,2a [Hint for #2a: See Example 3 in the PowerPoint slides for Section 6.3]
[10 pts.] Question 3: Given the recursively defined function: f(n) = n • f(n-1) + 2 with f(1) = 5, find f(4).
Last Modified: 11/16/25