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Exponentiation

2_logarithmic_functions_1

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Art History
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logarithms
Logarithm
Natural logarithm
Binary logarithm
Log–log plot
Exponential function
Common logarithm
Exponentiation
Logarithmic differentiation
Logarithmic units

Section 3.2 Logarithmic Functions 1 Section 3.2 Logarithmic Functions (Complete problems in purple before class) Definition: Logarithmic Function For a > 0 and a ? 1, the logarithmic function with base a denoted f ( x) = log a ( x), where ? = log?(?) if and only if ? ? = ? Note that log a( 1) = 0 for any base a, because a 0 = 1 for any base a. ? There are two bases that are used more frequently than others; they are 10 and e. ? The notation log 10( x) is abbreviated log( x) and log e( x) is abbreviated ln( x), which are called common logarithms and natural logarithms, respectively. Note: log x means x10log : base 10 ln e means xelog : base e One-to-One Property of Logarithms

exponential logarithmic functions

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Algebra
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Mathematics
Special functions
Exponentials
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Exponentiation
Logarithm
Exponential function
Base
Exponential map
Inverse function
Function

Seartec Trading (Pty) Ltd. Official SHARP importer & distributor for Southern Africa Worksheet 3 Memorandum: Functions ? Exponential and Logarithmic Grade 12 Mathematics CAPS 1. A quantity representing the power to which a number (the base) must be raised to produce a given number. Remember 2. - if powers with same bases are multiplied the exponents are added ? - if powers with the same bases are divided the exponents are subtracted ? - anything to the power of zero is 1 ? - when a power is raised to another exponent ? the exponents are multiplied ? ( ) - when a power is under a root-sign, the exponent of the power is divided by the root-value ? ?

EXPONENTIAL AND LOGARITHMIC FUNCTION EXAM

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Algebra
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Mathematics
Mathematical analysis
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logarithms
Functions and mappings
Exponentials
Inverse functions
Analytic functions
Exponential function
Exponentiation
Function
E

Exam 4 Which of the following ordered pairs is a solutuion of (-2,-36) c. (-2,1/36) (-2,1/12) d. (-2,-12) Use composition to show that the pair of functions are inverses. Let find f-g the graph represents a function use the horizontal line test to decide where function is one to one If the function is one to one, find its inverse Find the inverse of the function. Then graph the function and its inverse on one coordinate system. Show line of symmetry on graph Let find the composition (f ? g)(x) Write in exponential form Evulatate the expression Evaluate the expression. Evualtae the expression Write the logarithm as a sum/ difference of logarithms of a single quanity. Then simplify if possible

ALGEBRA GUIDE

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Algebra
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Mathematics
logarithms
Abstract algebra
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Formula Sheet for College Algebra Final Exam Properties of Exponents p p mp npp m n mpnppmn nmmn mn m n mnmn bb b a b a baba aa aa a aaa 1.6 .5 )(.4 )(.3 .2 .1 = =??? ? ??? ? = = = = ? ? + Quadratic Formula a acbbx 2 42 ???= Circle rradius khcenter rkyhx = = =?+? ),( )()( 222 Vertex of Parabola ),( )()( 2 , 2 2 khatVertex khxaxf a bfa b +?= ??? ???? ? ?? ??? ? ?? Standard Form of Equation of Parabola phxdirectrix kphfocus khvertex hxpky pkydirectrix pkhfocus khvertex kyphx ?= += = ?=? ?= += = ?=? : ),( ),( )(4)( : ),( ),( )(4)( 2 2 Properties of Logarithms pb pb b xbiffxy p b p b b y b b = = = = == log.5 01log.4 log.3 1log.2 log.1 nm n m nm mn mpm bb b bb b b p b loglog

EXPONENTIAL AND LOGARITHMIC FUNCTIONS REVIEW

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Algebra
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Mathematics
Mathematical analysis
Special functions
logarithms
Functions and mappings
Exponentials
Inverse functions
Analytic functions
Exponential function
Exponentiation
Function
E

Exam 4 Which of the following ordered pairs is a solutuion of (-2,-36) c. (-2,1/36) (-2,1/12) d. (-2,-12) Use composition to show that the pair of functions are inverses. Let find f-g the graph represents a function use the horizontal line test to decide where function is one to one If the function is one to one, find its inverse Find the inverse of the function. Then graph the function and its inverse on one coordinate system. Show line of symmetry on graph Let find the composition (f ? g)(x) Write in exponential form Evulatate the expression Evaluate the expression. Evualtae the expression Write the logarithm as a sum/ difference of logarithms of a single quanity. Then simplify if possible

AHSME 1986

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Algebra
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Exponentials
Exponentiation
Mathematics
Maths24
COMPASS/Sample Code

USA AIME 1986 1 What is the sum of the solutions to the equation 4 ? x = 12 7? 4 ? x ? 2 Evaluate the product ( ? 5 + ? 6 + ? 7)(? ? 5 + ? 6 + ? 7)( ? 5? ? 6 + ? 7)( ? 5 + ? 6? ? 7). 3 If tanx + tan y = 25 and cotx + cot y = 30, what is tan(x + y)? 4 Determine 3x4 + 2x5 if x1, x2, x3, x4, and x5 satisfy the system of equations below. 2x1 + x2 + x3 + x4 + x5 = 6 x1 + 2x2 + x3 + x4 + x5 = 12 x1 + x2 + 2x3 + x4 + x5 = 24 x1 + x2 + x3 + 2x4 + x5 = 48 x1 + x2 + x3 + x4 + 2x5 = 96 5 What is that largest positive integer n for which n3 + 100 is divisible by n + 10? 6 The pages of a book are numbered 1 through n. When the page numbers of the book were added, one of the page numbers was mistakenly added twice, resulting in an incorrect sum of
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