M. log, M Swthat log psitive real numbers and aL log, N, where a, M, and N - 1.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 65E
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109,115 please
Fd the value of log: 3- log, 4. log. (n+ 1) log2. 10e. Find the value of log; 2- log 4-log; 8 log 2.
t Find the value of log; 3- log, 4- log, 5- logs 6. log, 7- log, 8. 98. Find the value of log; 4-log,6-log, 8.
Ierence Quotient If f(x) - log, x, show that A)-f)- log.1+).
Gompressing or stretching, and reflecting. State the domain
- express y as a function of x. The constant C is a positive number
SECTION SS Properties of Logarithms 317
in+ In C
SA. Iny-In(x + C)
90. In y-2 in I- In(x+ 1) + In C
92. In y- -2x + In C
94. In (y + 4) -Sx + In C
96. 2 In y- Inx in(+ 1) + In C
tar+ In C
- 3)- -4r + lnC
a(2x + 1) - In (x + 4) + In C
In ain( + 1) + In C
ihat log. (x + V - 1) + log,(x - V - 1) - 0
that log. (Va+ Vx - 1) + log.(Vĩ - VI-1) -0
that In (1 + )- 2r + In (1 +).
f(x+ h) - f(x)
log
+]
) - log, K, show that -/(x) - log x.
106. If f(x) - log, x, show that f(AB) (A) + S(B).
) - log, K, show that ) - -f(x).
Sow that log.N)- log, M - log, N, where a, M, and N
.
108. If f(x) = log, x, show that f(x) = af(x).
110. Show that log,) - -log, N, where a and N are positive
positive real numbers and a 1.
real numbers and a+ 1.
log, a where a
and b are positive real numbers, a 1, and b 1.
IL Challenge Problem Show that log, b-
112. Challenge Problem Show that log vm- log, m",
where a and m are positive real numbers and a 1.
A Challenge Problem Show that log, b" = " log, b.
shere a, b, m, and n are positive real numbers, a 1,
and b1.
114. Challenge Problem Find n:
log; 3- log, 4- log, 5.... •log. (n + 1) = 10
Explaining Concepts: Discussion and Writing
5 Graph Y = log (x) and Y; - 2 log (x) using a graphing
utility. Are they equivalent? What might sonount for any
dierences in the two functions?
IK Write an example that illustrates why (log. rlog, x.
117. Write an example that illustrates why
24
log:(x + y) log, x + log: y
118. Does 3(-5)- -5? Why or why not?
Retain Your Knowledge
ma 119-128 are based on material learned earlier in the course. The purpose of these problems is to keep the material fresh in
mind so that you are better prepared for the final exam.
2V3 - Sx - 4.
Ule a graphing utility to solve r- 3 - 4x + 8-0.
Round answers to twodecimal places
Nilhout solving, determine the character of the solution of
adratic equation 4x - 28r + 49 = 0 in the complex
123. Find the domain of f(x) -
124. Solve: 4|x + 1 -9 < 23
125. Find the vertex of f(x) = - +
4x + 5, and determine
umber system.
if the graph is concave up or concave down.
L Find the real zeros of
126. Find the center and radius of the circle
- 10x + y + 4y = 35
(x) = 5x + 44x + 116 + 95x- 4x - 4
-r from -1 to 3.
S - 3x
even, odd, or neither?
anding or stretching, and reflecting. State the domain A128. Is the function f(x) =
the range of f.
Vi
Transcribed Image Text:Fd the value of log: 3- log, 4. log. (n+ 1) log2. 10e. Find the value of log; 2- log 4-log; 8 log 2. t Find the value of log; 3- log, 4- log, 5- logs 6. log, 7- log, 8. 98. Find the value of log; 4-log,6-log, 8. Ierence Quotient If f(x) - log, x, show that A)-f)- log.1+). Gompressing or stretching, and reflecting. State the domain - express y as a function of x. The constant C is a positive number SECTION SS Properties of Logarithms 317 in+ In C SA. Iny-In(x + C) 90. In y-2 in I- In(x+ 1) + In C 92. In y- -2x + In C 94. In (y + 4) -Sx + In C 96. 2 In y- Inx in(+ 1) + In C tar+ In C - 3)- -4r + lnC a(2x + 1) - In (x + 4) + In C In ain( + 1) + In C ihat log. (x + V - 1) + log,(x - V - 1) - 0 that log. (Va+ Vx - 1) + log.(Vĩ - VI-1) -0 that In (1 + )- 2r + In (1 +). f(x+ h) - f(x) log +] ) - log, K, show that -/(x) - log x. 106. If f(x) - log, x, show that f(AB) (A) + S(B). ) - log, K, show that ) - -f(x). Sow that log.N)- log, M - log, N, where a, M, and N . 108. If f(x) = log, x, show that f(x) = af(x). 110. Show that log,) - -log, N, where a and N are positive positive real numbers and a 1. real numbers and a+ 1. log, a where a and b are positive real numbers, a 1, and b 1. IL Challenge Problem Show that log, b- 112. Challenge Problem Show that log vm- log, m", where a and m are positive real numbers and a 1. A Challenge Problem Show that log, b" = " log, b. shere a, b, m, and n are positive real numbers, a 1, and b1. 114. Challenge Problem Find n: log; 3- log, 4- log, 5.... •log. (n + 1) = 10 Explaining Concepts: Discussion and Writing 5 Graph Y = log (x) and Y; - 2 log (x) using a graphing utility. Are they equivalent? What might sonount for any dierences in the two functions? IK Write an example that illustrates why (log. rlog, x. 117. Write an example that illustrates why 24 log:(x + y) log, x + log: y 118. Does 3(-5)- -5? Why or why not? Retain Your Knowledge ma 119-128 are based on material learned earlier in the course. The purpose of these problems is to keep the material fresh in mind so that you are better prepared for the final exam. 2V3 - Sx - 4. Ule a graphing utility to solve r- 3 - 4x + 8-0. Round answers to twodecimal places Nilhout solving, determine the character of the solution of adratic equation 4x - 28r + 49 = 0 in the complex 123. Find the domain of f(x) - 124. Solve: 4|x + 1 -9 < 23 125. Find the vertex of f(x) = - + 4x + 5, and determine umber system. if the graph is concave up or concave down. L Find the real zeros of 126. Find the center and radius of the circle - 10x + y + 4y = 35 (x) = 5x + 44x + 116 + 95x- 4x - 4 -r from -1 to 3. S - 3x even, odd, or neither? anding or stretching, and reflecting. State the domain A128. Is the function f(x) = the range of f. Vi
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ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage