EBK PRECALCULUS: MATHEMATICS FOR CALCUL
7th Edition
ISBN: 8220102958371
Author: Watson
Publisher: CENGAGE L
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Chapter 12, Problem 4RCC
(a)
To determine
To explain: The arithmetic sequence and the formula for the nth term of the arithmetic sequence.
(b)
To determine
The nth term formula of the given sequence and its first five terms.
(c)
To determine
The two different formulas for the sum of first n terms of an arithmetic sequence.
(d)
To determine
The sum of first 20 terms of the sequence
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Students have asked these similar questions
A function is defined on the interval (-π/2,π/2) by this multipart rule:
if -π/2 < x < 0
f(x) =
a
if x=0
31-tan x
+31-cot x
if 0 < x < π/2
Here, a and b are constants. Find a and b so that the function f(x) is continuous at x=0.
a=
b= 3
Use the definition of continuity and the properties of limits to show that the function is continuous at the given number a.
f(x) = (x + 4x4) 5,
a = -1
lim f(x)
X--1
=
lim
x+4x
X--1
lim
X-1
4
x+4x
5
))"
5
))
by the power law
by the sum law
lim (x) + lim
X--1
4
4x
X-1
-(0,00+(
Find f(-1).
f(-1)=243
lim (x) +
-1 +4
35
4 ([
)
lim (x4)
5
x-1
Thus, by the definition of continuity, f is continuous at a = -1.
by the multiple constant law
by the direct substitution property
1. Compute
Lo
F⚫dr, where
and C is defined by
F(x, y) = (x² + y)i + (y − x)j
r(t) = (12t)i + (1 − 4t + 4t²)j
from the point (1, 1) to the origin.
Chapter 12 Solutions
EBK PRECALCULUS: MATHEMATICS FOR CALCUL
Ch. 12.1 - A sequence is a function whose domain is...Ch. 12.1 - Prob. 2ECh. 12.1 - Terms of a Sequence Find the first four terms and...Ch. 12.1 - Prob. 4ECh. 12.1 - Prob. 5ECh. 12.1 - Terms of a Sequence Find the first four terms and...Ch. 12.1 - Prob. 7ECh. 12.1 - Prob. 8ECh. 12.1 - Terms of a Sequence Find the first four terms and...Ch. 12.1 - Prob. 10E
Ch. 12.1 - Prob. 11ECh. 12.1 - Prob. 12ECh. 12.1 - Prob. 13ECh. 12.1 - Prob. 14ECh. 12.1 - Recursive Sequences A sequence is defined...Ch. 12.1 - Recursive Sequences A sequence is defined...Ch. 12.1 - Prob. 17ECh. 12.1 - Prob. 18ECh. 12.1 - Prob. 19ECh. 12.1 - Prob. 20ECh. 12.1 - Prob. 21ECh. 12.1 - Prob. 22ECh. 12.1 - Terms of a Sequence Use a graphing calculator to...Ch. 12.1 - Prob. 24ECh. 12.1 - Prob. 25ECh. 12.1 - Prob. 26ECh. 12.1 - Prob. 27ECh. 12.1 - Prob. 28ECh. 12.1 - nth term of a Sequence Find the nth term of a...Ch. 12.1 - Prob. 30ECh. 12.1 - Prob. 31ECh. 12.1 - Prob. 32ECh. 12.1 - Prob. 33ECh. 12.1 - Prob. 34ECh. 12.1 - Prob. 35ECh. 12.1 - Prob. 36ECh. 12.1 - Prob. 37ECh. 12.1 - Prob. 38ECh. 12.1 - Prob. 39ECh. 12.1 - Prob. 40ECh. 12.1 - Partial Sums Find the first six partial sums S1,...Ch. 12.1 - Prob. 42ECh. 12.1 - nth Partial Sum Find the first four partial sums...Ch. 12.1 - Prob. 44ECh. 12.1 - nth Partial Sum Find the first four partial sums...Ch. 12.1 - nth Partial Sum Find the first four partial sums...Ch. 12.1 - Prob. 47ECh. 12.1 - Prob. 48ECh. 12.1 - Prob. 49ECh. 12.1 - Prob. 50ECh. 12.1 - Prob. 51ECh. 12.1 - Prob. 52ECh. 12.1 - Prob. 53ECh. 12.1 - Prob. 54ECh. 12.1 - Prob. 55ECh. 12.1 - Evaluating a Sum Use a graphing calculator to...Ch. 12.1 - Prob. 57ECh. 12.1 - Prob. 58ECh. 12.1 - Prob. 59ECh. 12.1 - Prob. 60ECh. 12.1 - Prob. 61ECh. 12.1 - Prob. 62ECh. 12.1 - Prob. 63ECh. 12.1 - Prob. 64ECh. 12.1 - Prob. 65ECh. 12.1 - Sigma Notation Write the sum without using sigma...Ch. 12.1 - Sigma Notation Write the sum using sigma notation....Ch. 12.1 - Prob. 68ECh. 12.1 - Prob. 69ECh. 12.1 - Sigma Notation Write the sum using sigma notation....Ch. 12.1 - Sigma Notation Write the sum using sigma notation....Ch. 12.1 - Prob. 72ECh. 12.1 - Prob. 73ECh. 12.1 - Prob. 74ECh. 12.1 - nth Term of a Sequence Find a formula for the nth...Ch. 12.1 - Compound Interest Julio deposits 2000 in a savings...Ch. 12.1 - Prob. 78ECh. 12.1 - Population of a City A city was incorporated in...Ch. 12.1 - Paying off a Debt Margarita borrows 10,000 from...Ch. 12.1 - Fish Farming A fish farmer has 5000 catfish in his...Ch. 12.1 - Prob. 82ECh. 12.1 - Prob. 83ECh. 12.1 - Concentration of a Solution A biologist is trying...Ch. 12.1 - Prob. 85ECh. 12.1 - DISCOVER PROVE: Different Sequences That Start the...Ch. 12.1 - Prob. 87ECh. 12.1 - Prob. 88ECh. 12.2 - An arithmetic sequence is a sequence in which the...Ch. 12.2 - Prob. 2ECh. 12.2 - Prob. 3ECh. 12.2 - Prob. 4ECh. 12.2 - Prob. 5ECh. 12.2 - Prob. 6ECh. 12.2 - Prob. 7ECh. 12.2 - Prob. 8ECh. 12.2 - Prob. 9ECh. 12.2 - Prob. 10ECh. 12.2 - Prob. 11ECh. 12.2 - Prob. 12ECh. 12.2 - Prob. 13ECh. 12.2 - Prob. 14ECh. 12.2 - Prob. 15ECh. 12.2 - Prob. 16ECh. 12.2 - Prob. 17ECh. 12.2 - Prob. 18ECh. 12.2 - Prob. 19ECh. 12.2 - Prob. 20ECh. 12.2 - Prob. 21ECh. 12.2 - Prob. 22ECh. 12.2 - Prob. 23ECh. 12.2 - Prob. 24ECh. 12.2 - Prob. 25ECh. 12.2 - Prob. 26ECh. 12.2 - Prob. 27ECh. 12.2 - Arithmetic Sequence? Find the first five terms of...Ch. 12.2 - Arithmetic Sequence? Find the first five terms of...Ch. 12.2 - Prob. 30ECh. 12.2 - Prob. 31ECh. 12.2 - Prob. 32ECh. 12.2 - Prob. 33ECh. 12.2 - Terms of an Arithmetic Sequence Determine the...Ch. 12.2 - Prob. 35ECh. 12.2 - Prob. 36ECh. 12.2 - Prob. 37ECh. 12.2 - Prob. 38ECh. 12.2 - Terms of an Arithmetic Sequence Determine the...Ch. 12.2 - Terms of an Arithmetic Sequence Determine the...Ch. 12.2 - Terms of an Arithmetic Sequence Determine the...Ch. 12.2 - Terms of an Arithmetic Sequence Determine the...Ch. 12.2 - Terms of an Arithmetic Sequence Determine the...Ch. 12.2 - Prob. 44ECh. 12.2 - Finding Terms of an Arithmetic Sequence Find the...Ch. 12.2 - Prob. 46ECh. 12.2 - Prob. 47ECh. 12.2 - Finding Terms of an Arithmetic Sequence Find the...Ch. 12.2 - Prob. 49ECh. 12.2 - Prob. 50ECh. 12.2 - Prob. 51ECh. 12.2 - Prob. 52ECh. 12.2 - Prob. 53ECh. 12.2 - Prob. 54ECh. 12.2 - Prob. 55ECh. 12.2 - Partial Sums of an Arithmetic Sequence Find the...Ch. 12.2 - Prob. 57ECh. 12.2 - Prob. 58ECh. 12.2 - Prob. 59ECh. 12.2 - Prob. 60ECh. 12.2 - Prob. 61ECh. 12.2 - Prob. 62ECh. 12.2 - Prob. 63ECh. 12.2 - Prob. 64ECh. 12.2 - Prob. 65ECh. 12.2 - Prob. 66ECh. 12.2 - Prob. 67ECh. 12.2 - Prob. 68ECh. 12.2 - Prob. 69ECh. 12.2 - Prob. 70ECh. 12.2 - Depreciation The purchase value of an office...Ch. 12.2 - Poles in a Pile Telephone poles are being stored...Ch. 12.2 - Salary Increases A man gets a job with a salary of...Ch. 12.2 - Drive-In Theater A drive-in theater has spaces for...Ch. 12.2 - Theater Seating An architect designs a theater...Ch. 12.2 - Prob. 76ECh. 12.2 - The Twelve Days of Christmas In the well-known...Ch. 12.2 - DISCUSS: Arithmetic Means The arithmetic mean (or...Ch. 12.3 - A geometric sequence is a sequence in which the...Ch. 12.3 - Prob. 2ECh. 12.3 - True or False? If we know the first and second...Ch. 12.3 - Prob. 4ECh. 12.3 - Prob. 5ECh. 12.3 - Prob. 6ECh. 12.3 - Prob. 7ECh. 12.3 - Prob. 8ECh. 12.3 - Prob. 9ECh. 12.3 - Prob. 10ECh. 12.3 - nth Term of a Geometric Sequence Find the nth term...Ch. 12.3 - Prob. 12ECh. 12.3 - Prob. 13ECh. 12.3 - Prob. 14ECh. 12.3 - Prob. 15ECh. 12.3 - Prob. 16ECh. 12.3 - Prob. 17ECh. 12.3 - Prob. 18ECh. 12.3 - Prob. 19ECh. 12.3 - Prob. 20ECh. 12.3 - Geometric Sequence? The first four terms of a...Ch. 12.3 - Prob. 22ECh. 12.3 - Prob. 23ECh. 12.3 - Prob. 24ECh. 12.3 - Prob. 25ECh. 12.3 - Prob. 26ECh. 12.3 - Prob. 27ECh. 12.3 - Prob. 28ECh. 12.3 - Prob. 29ECh. 12.3 - Prob. 30ECh. 12.3 - Prob. 31ECh. 12.3 - Prob. 32ECh. 12.3 - Prob. 33ECh. 12.3 - Prob. 34ECh. 12.3 - Terms of a Geometric Sequence Determine the common...Ch. 12.3 - Prob. 36ECh. 12.3 - Prob. 37ECh. 12.3 - Terms of a Geometric Sequence Determine the common...Ch. 12.3 - Finding Terms of a Geometric Sequence Find the...Ch. 12.3 - Prob. 40ECh. 12.3 - Prob. 41ECh. 12.3 - Finding Terms of a Geometric Sequence Find the...Ch. 12.3 - Prob. 43ECh. 12.3 - Prob. 44ECh. 12.3 - Finding Terms of a Geometric Sequence Find the...Ch. 12.3 - Prob. 46ECh. 12.3 - Which Term? The first term of a geometric sequence...Ch. 12.3 - Prob. 48ECh. 12.3 - Prob. 49ECh. 12.3 - Prob. 50ECh. 12.3 - Prob. 51ECh. 12.3 - Prob. 52ECh. 12.3 - Prob. 53ECh. 12.3 - Prob. 54ECh. 12.3 - Prob. 55ECh. 12.3 - Prob. 56ECh. 12.3 - Prob. 57ECh. 12.3 - Prob. 58ECh. 12.3 - Prob. 59ECh. 12.3 - Prob. 60ECh. 12.3 - Prob. 61ECh. 12.3 - Prob. 62ECh. 12.3 - Prob. 63ECh. 12.3 - Prob. 64ECh. 12.3 - Infinite Geometric Series Determine whether the...Ch. 12.3 - Prob. 66ECh. 12.3 - Prob. 67ECh. 12.3 - Infinite Geometric Series Determine whether the...Ch. 12.3 - Prob. 69ECh. 12.3 - Prob. 70ECh. 12.3 - Prob. 71ECh. 12.3 - Prob. 72ECh. 12.3 - Prob. 73ECh. 12.3 - Prob. 74ECh. 12.3 - Prob. 75ECh. 12.3 - Prob. 76ECh. 12.3 - Prob. 77ECh. 12.3 - Prob. 78ECh. 12.3 - Prob. 79ECh. 12.3 - Prob. 80ECh. 12.3 - Prob. 81ECh. 12.3 - Prob. 82ECh. 12.3 - Prob. 83ECh. 12.3 - Prob. 84ECh. 12.3 - Prob. 85ECh. 12.3 - Prob. 86ECh. 12.3 - Depreciation A construction company purchases a...Ch. 12.3 - Prob. 88ECh. 12.3 - Bouncing Ball A ball is dropped from a height of...Ch. 12.3 - Bacteria Culture A culture initially has 5000...Ch. 12.3 - Mixing Coolant A truck radiator holds 5 gal and is...Ch. 12.3 - Musical Frequencies The frequencies of musical...Ch. 12.3 - Bouncing Ball A ball is dropped from a height of 9...Ch. 12.3 - Prob. 94ECh. 12.3 - St. Ives The following is a well-known childrens...Ch. 12.3 - Prob. 96ECh. 12.3 - Bouncing Ball A certain ball rebounds to half the...Ch. 12.3 - Prob. 98ECh. 12.3 - Geometry A circular disk of radius R is cut out of...Ch. 12.3 - Prob. 102ECh. 12.3 - PROVE: Logarithms of a Geometric Sequence If a1,...Ch. 12.3 - Prob. 104ECh. 12.3 - Geometry A yellow square of side 1 is divided into...Ch. 12.4 - An annuity is a sum of money that is paid in...Ch. 12.4 - Prob. 2ECh. 12.4 - Prob. 3ECh. 12.4 - Annuity Find the amount of an annuity that...Ch. 12.4 - Annuity Find the amount of an annuity that...Ch. 12.4 - Prob. 6ECh. 12.4 - Prob. 7ECh. 12.4 - Prob. 8ECh. 12.4 - Prob. 9ECh. 12.4 - Saving How much money should be invested monthly...Ch. 12.4 - Prob. 11ECh. 12.4 - Prob. 12ECh. 12.4 - Prob. 13ECh. 12.4 - Funding an Annuity A 55-year-old man deposits...Ch. 12.4 - Prob. 15ECh. 12.4 - Prob. 16ECh. 12.4 - Prob. 17ECh. 12.4 - Prob. 18ECh. 12.4 - Mortgage Dr. Gupta is considering a 30-year...Ch. 12.4 - Prob. 20ECh. 12.4 - Prob. 21ECh. 12.4 - Prob. 22ECh. 12.4 - Prob. 23ECh. 12.4 - Prob. 24ECh. 12.4 - Interest Rate John buys a stereo system for 640....Ch. 12.4 - Prob. 26ECh. 12.4 - Prob. 27ECh. 12.4 - Interest Rate A man purchases a 2000 diamond ring...Ch. 12.4 - Prob. 29ECh. 12.4 - Prob. 30ECh. 12.4 - DISCOVER: Amortizing a Mortgage When they bought...Ch. 12.5 - Mathematical induction is a method of proving that...Ch. 12.5 - Prob. 2ECh. 12.5 - Prob. 3ECh. 12.5 - Prob. 4ECh. 12.5 - Prob. 5ECh. 12.5 - Prob. 6ECh. 12.5 - Prob. 7ECh. 12.5 - Prob. 8ECh. 12.5 - Prob. 9ECh. 12.5 - Proving a Formula Use mathematical induction to...Ch. 12.5 - Prob. 11ECh. 12.5 - Proving a Formula Use mathematical induction to...Ch. 12.5 - Prob. 13ECh. 12.5 - Prob. 14ECh. 12.5 - Prob. 15ECh. 12.5 - Prob. 16ECh. 12.5 - Proving a Statement Use mathematical induction to...Ch. 12.5 - Proving a Statement Use mathematical induction to...Ch. 12.5 - Prob. 19ECh. 12.5 - Prob. 20ECh. 12.5 - Prob. 21ECh. 12.5 - Prob. 22ECh. 12.5 - Prob. 23ECh. 12.5 - Prob. 24ECh. 12.5 - Prob. 25ECh. 12.5 - Formula for a Recursive Sequence A sequence is...Ch. 12.5 - Prob. 27ECh. 12.5 - Prob. 28ECh. 12.5 - Prob. 29ECh. 12.5 - Prob. 30ECh. 12.5 - Fibonacci Sequence Fn denotes the nth term of the...Ch. 12.5 - Prob. 32ECh. 12.5 - Prob. 33ECh. 12.5 - Prob. 34ECh. 12.5 - Prob. 35ECh. 12.5 - Prob. 36ECh. 12.5 - Prob. 37ECh. 12.5 - DISCUSS: All Cats Are Black? What is wrong with...Ch. 12.6 - An algebraic expression of the form a + b, which...Ch. 12.6 - Prob. 2ECh. 12.6 - The binomial coefficients can be calculated...Ch. 12.6 - Prob. 4ECh. 12.6 - Prob. 5ECh. 12.6 - Prob. 6ECh. 12.6 - Prob. 7ECh. 12.6 - Prob. 8ECh. 12.6 - Prob. 9ECh. 12.6 - Prob. 10ECh. 12.6 - Prob. 11ECh. 12.6 - Prob. 12ECh. 12.6 - Prob. 13ECh. 12.6 - Prob. 14ECh. 12.6 - Prob. 15ECh. 12.6 - Prob. 16ECh. 12.6 - Prob. 17ECh. 12.6 - Prob. 18ECh. 12.6 - Calculating Binomial Coefficients Evaluate the...Ch. 12.6 - Prob. 20ECh. 12.6 - Prob. 21ECh. 12.6 - Prob. 22ECh. 12.6 - Prob. 23ECh. 12.6 - Prob. 24ECh. 12.6 - Prob. 25ECh. 12.6 - Prob. 26ECh. 12.6 - Prob. 27ECh. 12.6 - Binomial Theorem Use the Binomial Theorem to...Ch. 12.6 - Prob. 29ECh. 12.6 - Prob. 30ECh. 12.6 - Prob. 31ECh. 12.6 - Prob. 32ECh. 12.6 - Prob. 33ECh. 12.6 - Prob. 34ECh. 12.6 - Terms of a Binomial Expansion Find the indicated...Ch. 12.6 - Terms of a Binomial Expansion Find the indicated...Ch. 12.6 - Prob. 37ECh. 12.6 - Prob. 38ECh. 12.6 - Prob. 39ECh. 12.6 - Prob. 40ECh. 12.6 - Prob. 41ECh. 12.6 - Prob. 42ECh. 12.6 - Prob. 43ECh. 12.6 - Prob. 44ECh. 12.6 - Prob. 45ECh. 12.6 - Prob. 46ECh. 12.6 - Prob. 47ECh. 12.6 - Simplifying a Difference Quotient Simplify using...Ch. 12.6 - Prob. 49ECh. 12.6 - Prob. 50ECh. 12.6 - Prob. 51ECh. 12.6 - Prob. 52ECh. 12.6 - Prob. 53ECh. 12.6 - Prob. 54ECh. 12.6 - Difference in Volumes of Cubes The volume of a...Ch. 12.6 - Probability of Hitting a Target The probability...Ch. 12.6 - Prob. 57ECh. 12.6 - Prob. 58ECh. 12.6 - Prob. 59ECh. 12 - (a) What is a sequence? What notation do we use to...Ch. 12 - Prob. 2RCCCh. 12 - Prob. 3RCCCh. 12 - Prob. 4RCCCh. 12 - Prob. 5RCCCh. 12 - Prob. 6RCCCh. 12 - (a) Write 13 + 23 + 33 + 43 + 53 using sigma...Ch. 12 - Prob. 8RCCCh. 12 - Prob. 9RCCCh. 12 - Prob. 10RCCCh. 12 - Prob. 11RCCCh. 12 - Prob. 12RCCCh. 12 - Prob. 1RECh. 12 - Prob. 2RECh. 12 - Prob. 3RECh. 12 - Prob. 4RECh. 12 - Prob. 5RECh. 12 - Prob. 6RECh. 12 - Prob. 7RECh. 12 - Prob. 8RECh. 12 - Prob. 9RECh. 12 - Prob. 10RECh. 12 - Prob. 11RECh. 12 - Prob. 12RECh. 12 - Prob. 13RECh. 12 - Prob. 14RECh. 12 - Prob. 15RECh. 12 - Arithmetic or Geometric? The first four terms of a...Ch. 12 - Prob. 17RECh. 12 - Prob. 18RECh. 12 - Prob. 19RECh. 12 - Prob. 20RECh. 12 - Prob. 21RECh. 12 - Prob. 22RECh. 12 - Prob. 23RECh. 12 - nth Term of a Geometric Sequence Find the nth term...Ch. 12 - Prob. 25RECh. 12 - Prob. 26RECh. 12 - Prob. 27RECh. 12 - Prob. 28RECh. 12 - Salary A teacher makes 32,000 in his first year at...Ch. 12 - Prob. 30RECh. 12 - Prob. 31RECh. 12 - Prob. 32RECh. 12 - Prob. 33RECh. 12 - Prob. 34RECh. 12 - Prob. 35RECh. 12 - Prob. 36RECh. 12 - Prob. 37RECh. 12 - Prob. 38RECh. 12 - Prob. 39RECh. 12 - Prob. 40RECh. 12 - Prob. 41RECh. 12 - Sigma Notation Write the sum without using sigma...Ch. 12 - Prob. 43RECh. 12 - Prob. 44RECh. 12 - Prob. 45RECh. 12 - Prob. 46RECh. 12 - Prob. 47RECh. 12 - Prob. 48RECh. 12 - Prob. 49RECh. 12 - Sums of Arithmetic and Geometric Sequences...Ch. 12 - Prob. 51RECh. 12 - Prob. 52RECh. 12 - Prob. 53RECh. 12 - Prob. 54RECh. 12 - Prob. 55RECh. 12 - Prob. 56RECh. 12 - Prob. 57RECh. 12 - Prob. 58RECh. 12 - Infinite Geometric Series Determine whether the...Ch. 12 - Prob. 60RECh. 12 - Terms of an Arithmetic Sequence The first term of...Ch. 12 - Prob. 62RECh. 12 - Ancestors A person has two parents, four...Ch. 12 - Prob. 64RECh. 12 - Prob. 65RECh. 12 - Prob. 66RECh. 12 - Prob. 67RECh. 12 - Prob. 68RECh. 12 - Prob. 69RECh. 12 - Prob. 70RECh. 12 - Prob. 71RECh. 12 - Prob. 72RECh. 12 - Prob. 73RECh. 12 - Prob. 74RECh. 12 - Prob. 75RECh. 12 - Prob. 76RECh. 12 - Prob. 77RECh. 12 - Prob. 78RECh. 12 - Prob. 79RECh. 12 - Prob. 80RECh. 12 - Prob. 81RECh. 12 - Prob. 82RECh. 12 - Prob. 83RECh. 12 - Prob. 1TCh. 12 - Prob. 2TCh. 12 - Prob. 3TCh. 12 - A geometric sequence begins 12,3,34,316,364,. (a)...Ch. 12 - The first term of a geometric sequence is 25, and...Ch. 12 - The first term of an arithmetic sequence is 10,...Ch. 12 - Prob. 7TCh. 12 - Write the expression without using sigma notation,...Ch. 12 - Prob. 9TCh. 12 - Prob. 11TCh. 12 - Prob. 12TCh. 12 - A puppy weighs 0.85 lb at birth, and each week he...Ch. 12 - Prob. 1PCh. 12 - Fitness Program Sheila decides to embark on a...Ch. 12 - Monthly Savings Program Alice opens a savings...Ch. 12 - Prob. 4PCh. 12 - Prob. 5P
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