A 4-letter list is made from the letters L, I, S, T, E, D according to the following rule: Repetition is allowed, and the first two letters on the list are vowels or the list ends in D. How many such lists are possible?
A 4-letter list is made from the letters L, I, S, T, E, D according to the following rule: Repetition is allowed, and the first two letters on the list are vowels or the list ends in D. How many such lists are possible?
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Transcribed Image Text:**Problem 9: Combinatorial List Construction**
Create a 4-letter list using the letters L, I, S, T, E, D with the following conditions:
- Repetition of letters is allowed.
- Either the first two letters are vowels, or the list ends with the letter D.
Determine the total number of such possible lists.
**Note:**
- The vowels available are I and E.
Explore and calculate the possible combinations that meet the criteria.
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