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May 27, 2015

# Search: log3(x - 1) = 4

Number of results: 95

Precalculus
Please help me with these questions ASAP!! Suppose that f(x)=log3(x-1) a)If f(6)=1.4 and f(8)=1.7,then evaluate log3(35) and log3(7/5). b)If f(3)=0.6, find log9(2).
March 3, 2010 by jh

Algebra 1
Lesson 3 Assignment .Explain the differences between solving these two equations: By steps log3(x - 1) = 4 AND log3(x - 1) = log3^4
February 9, 2011 by Matt D.

ALGEBRA 1
Lesson 3 Assignment .Explain the differences between solving these two equations: By steps log3(x - 1) = 4 AND log3(x - 1) = log3^4
February 9, 2011 by Matt D.

Math
Solve the logarithmic equation. Express your solutions in exact form only. Please show all of your work. log3(x+2) + log3(x+8)  2 = log3(x+3)
June 9, 2011 by Allison - Carson

Math
(I have two questions) 1. Solve for x without a calculator: log3(x^2)=2log3(4)-4log3(5) This is what I have so far: 2log3(x)=log3(4^2)-log3(5^4) 2log3(x)=log3(16/625) ...and now I'm stuck. 2. Simplify: 2log4(9)-2log3 <--how do you simplify with different bases? Thanks!
January 28, 2010 by Moe

Math
Express the following as a logarithm and simplify. 1. log(3x^2 + 11x - 20) - log(3x - 4) 2. 1/6 log3 27 + log3 18 - log3 2 3. log5 cube root of 625 4. 2loga x^3 + 3loga y + 4loga z - 3logz w
February 25, 2015 by Annika

Math
Express the following as a logarithm and simplify. 1. log(3x^2 + 11x - 20) - log(3x - 4) 2. 1/6 log3 27 + log3 18 - log3 2 3. log5 cube root of 625 4. 2loga x^3 + 3loga y + 4loga z - 3logz w
February 26, 2015 by Annika

Math - logs
log_3(2x - 1) = 2, Find x. Here's what I've done: log_3(2x) * log_3(1) = 2 log2x/log3 * log1/log3 = 2 trial and error... log2 (2*1.4)/log3 * 0 = 2.03... x = 1.4 I think I did it wrong because anything that multiplies with 0 gives you 0...
January 24, 2009 by Anonymous

math
Solve for x in the following equations. (4 marks) log3(x - 5) + log3(x + 3) = 2 <--- both log3.. 3 is subscript log7x + log7(x - 1) = log72x <--- all log7.. 7 is subscript.
March 19, 2012 by james

math
Write as a single log of a single argument: log3 24 + log3 17 - log3 51
February 17, 2012 by Bob

precalc
log3 2 +log3 X +log3 (2x-3)=log3 X + log3 (x+1) + log3 (x-1) - log3 (x^2-1)
October 18, 2010 by sarah

Algebra ll
I need help, can someone guide me through this problem? log3(x + 2) + log3(4x  1) = 5
March 12, 2014 by Me

Math
Solve for x. log3(x+7)=2-log3(x-1) Write the exact answer using base-10 logarithms.
February 15, 2011 by Rachal

math (pre-calc)
Solve for x: 1. 3^2x+3^x+1-4=0 2. log3(x=12)+log3(x+4)=2 3. lnx+ln(x+2)=4 4. 3*4^x+4*2^x+8=0
April 18, 2010 by Rony

Algebra 1
Explain the differences between solving these two equations: log3(x - 1) = 4 AND log3(x - 1) = log34 I think it has to deal with the formulas?
February 8, 2011 by Andy

Algebra 1
Explain the differences between solving these two equations: Brake down the steps. log3(x - 1) = 4 and log3(x - 1) = log34 )
February 8, 2011 by Andy

Algebra
Solve the equation. 2log3 y = log3 4+ log3 (y+8) Here's what ive got take out the logs and say y^2= 4+ y +8 which simplifies to (y^2)-y=12 how do i simplfy the y?
April 30, 2011 by Kenya

Andy
Name: Lesson 3 Assignment.Instructions Explain the differences between solving these two equations: log3(x - 1) = 4 and log3(x - 1) = log34. I think it has to do with the formulas
February 8, 2011 by andy

Solve log3 x + log3 8 = 4
March 14, 2010 by Hannah

Alegbra (logs)
Please help, I need help on these two problems. Solve the equation. log3(x − 16) = log3(9x) e^1 + ln(7) It appears on the homework that the ln(7) is written like this ^ln(7) but I am still stuck on it. Thanks!
April 22, 2013 by Karl

Calculus
Find the inverse of each relation: y = (0.5)^(x+2) and y = 3log base 2 (x-3) + 2 For the first one I got y=log base 0.5 (x+2)...but the answer in the back of the textbook says that it is not x+2, but x-2. Can someone tell me why it would end up being x-2 and help me with the ...
May 6, 2007 by Raj

calculus
1) Solve for x in terms of k: log3(x) + log3(x+7) = k; 3 is the base 2) e^(x+5) = e^(x) + 6, solve for x. Please help, I have no idea how to do these and I've tried several times!
October 2, 2010 by Cornelius

Math- logarithms
Why is (log3 400)/2 equivalent to log3 20? Can you show me how you can prove that step by step, without a calculator? Thank you so much!
January 12, 2014 by Anonymous

Math
Solve log3 x + log3 8 = 4
March 14, 2010 by Hannah

math
Solve for x: log3(x^2-4)-log3(x+2)=2
February 27, 2011 by julie

maths
1.Log10(x²-12x+36)=2 2.log4 log3 log2 x=0 3.log3 [log9x+1/2+9x]=2x 4.2log4(4-4)=4-log2(-2-x)
June 26, 2014 by karan

Pre-Cal
1) Solve the equation exactly for x: log3 x - log3(x-3) = 2 I got 1 as an answer. Is this correct? 2) Find the cotangent of the base angle of an isosceles right triangle. sqrt3 / 2. Is this correct?
March 10, 2010 by Abbey

Algebra
log3 (2x  1)  log3 (x  4) = 2
March 10, 2010 by Kelli

Calculus
log3 x-log3(1-x)=3
January 17, 2011 by Zukii

Precalculus
log3 (x+1) - log3 (x-3) = 2
December 11, 2012 by Sarah

maths pls help
1. Solve the following simultaneous equations: log2 xy = 7 log2 (x^2/y) = 5 2. If log y x =a and log z x=b where x is not equal to 1, express the following in terms of a and b: logy (yz) Solve the following simultaneous equations: y = 2 log3 x y+1 = log3 9x Thanks! I tried to ...
November 21, 2007 by Claire

LOGARITHMS
HI THE QUESTION STATES THAT ONE SHOULD CALCULATE THE LOGS WITHOUT THE USE OF A CALCULATOR...OKAY MY PROBLEM IS THIS... 2 3 2log 8 + 2log 8 what should i do? i had come to the piont of... 4 5 log 8 + log 8 But what's to do now i dont know..Think u can help?... cheers michelle ...
October 25, 2006 by TIGGER

algebra
(2*log7 16)/(log3(√10+1)+log3(√10-1)log7 2
May 18, 2014 by Stasy

precal (log)
3^(log3(4x)) thank u
April 8, 2008 by Deb

trig
evaluate log3 27
October 29, 2008 by jerson

Algebra 2
log5 (log3³)
June 13, 2012 by Jackie

calculus
Logarithmics: Ie: log3 3^11 : Evaluate? Thanks.
April 20, 2008 by Pam

Trigonometry
log3(x^2)=2log3(4)-4log3(5)
July 8, 2011 by Kali

Calculus
s(x)=log3(x^2+6x) find derivative?
October 14, 2011 by Beth

Math
Transform: log3^4= log(3/4)=
February 20, 2012 by Harry

math equations
Solve x = log3 15
June 12, 2012 by jess

Pre Cal
f(x) = log3(93 x + 3 815 x + 3)
October 2, 2012 by Sally

math
Solve this equation for x Log3^2x+5 =1
March 29, 2014 by Lindsay

Pre-calc/trig
5=log3(x^2+18)
January 4, 2015 by Anonymous

precalculus
find the component f and g so that fog =H H(x)=log3 e^x
November 9, 2011 by tiona

Math
Evaluate the logarithm log3 729
May 24, 2012 by Neil

math
5/2 - 3/8 log3 plz answer in decimal
November 29, 2014 by aneesh

Math
I need help solving this logarithmic function: x = log3(4^3).
January 31, 2008 by Danielle

math... precalculus
how do i solve this equation? log3x+log3(x-24)=4
November 15, 2009 by alexa

calculus
Suppose that log2 = a and log3 = b Solve for x in terms of a and b: 6^x = 10/3 - 6^-x
December 6, 2010 by Jenny

trig
solve for x log4 64+ log2 2 ________________ =x log3 81
February 28, 2012 by Beth

maths
solve the equation log3 (2-3x) = log9 (6x^2-19x+2)
October 8, 2013 by gibbons1

math 12
log6=x and log8=y, determine an expression for log3 in terms of x an y.
October 3, 2010 by nat

calculus
what is the derivative of log3(x+X^2) log with base 3 i cant figure it out
December 5, 2011 by ann

algebra 2 trig
if log3=a then log300 can be expressed as? 1) 100a 2)a+2 3)100+a 4)3a
January 4, 2014 by nikki

Math
Why is zero not in the doamin of the logarithmic functions y= log3 x and y = log5 x?
February 24, 2015 by Annika

math
express the following as a single logarithm log2+log3+log4
April 15, 2013 by kathrine

Logs.
Can you please help me with the following log. problems? thanxs! Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. 7^x = 6^(x + 7) this is how far I got: x log 7/x log 7= x+7 log 6/log 7, I am ...
October 26, 2007 by Ang

Math
Solve for x: 3^(x+1)=2^x This is what I have so far... (x+1)log3 = xlog2 ...and now I'm stuck. Help plz? Thanks!
April 11, 2010 by Nikki

math
Given the fuction y = log3(x+3)+2, calculate the zero of the function. GIve an exact answer.
December 12, 2009 by Cyn

math
Make into one log function: 2logx-log4-log3+logx
January 10, 2011 by matt

Math
Make into one log function: 2logx-log4-log3+logx
January 10, 2011 by matt

Math
Make into one log function: 2logx-log4-log3+logx
January 10, 2011 by matt

Precalculus
Write 4log2+log6-log3 as a single logarithm. Explain with steps please!~~
January 30, 2012 by Jake

college algebra
solve the equation below. Please show all work. log3(x/2-9)=4
March 4, 2012 by Tammy

Alegbra ck to see if I did it correclty please
find the exact x log6^36 x= 2 log2^4 x= 2 log3^81 x= 4 Thank you for your help. I am trying.
May 13, 2014 by Mary Ann

Pre-Calc
Make into one log function: 2logx-log4-log3+logx
January 10, 2011 by matt

math.
Suppose h(x) = 3x and k(x) = log3(x). What is k(h(x))? What about h(k(x))? Start with a few numbers to convince yourself. Explain completely why this is true.
March 17, 2010 by Alyssa Pacheco

PreCalc
Write the following expression as one logarithm: 2logx-log4-log3+logx. Simplify your answer.
January 10, 2011 by matt

Logarithmic Algebra
let log2=a, log3=b, and log5=c. express the indicated logarithm in terms of a, b, and c. log6/25 log 100
April 9, 2014 by Jen

Math
Solve the logarithmic equation for x. Log3(x^2 − 5x − 9) = 3 I Have no idea
November 22, 2011 by Anonymous

claculus
graph Y=log3(x+1) graph Y<log2 ^X We can't draw graphs for you here.
April 27, 2007 by Anonymous

Math - Solving Logarithms equation
Solve the equation below. Please show all of your work. Log3((x/2)-9) = 4
June 6, 2011 by CheezyReezy

math
I am supposed solve these SYMBOLICALLY but i don't know how since i was never taught in school. Could someone help me solve these? 1. 7(e^(2x))^3 = 35 2. 7^(x^2-x)=7^6 3. log3(5x)=4 Thank YOU very much!!
August 24, 2010 by Jamie

math
simplify each expression by using properties of logarithms or definitions. check your results using the change of base formula a.) log3 27= b.) log5 (1/5)= c.) if f(x)= ln (x), find f(e^x)
March 3, 2011 by anonymous

mathematics
Given that log5 3=0.683 and log5 7=1.209.without using calculator,evaluate (a) log5 1.4 b)log7 75 c) log3 125
April 16, 2014 by jessica

math
Find the value of each of the following. Leave your answers as fractions where appropriate. Do not change bases. a) log4 (1/8) B)10^(-10log3)<---superscript in brackets c.2log3<-----subscript.9 d.log3<---subscript.3^2x
March 15, 2012 by james

Pre-Cal
Solve the following logarithmic equation. Exact words only: log 3(x+4) = 2+log3(x-20) the 3 in the part of log (3)should be lower just didn't know how to type it in here
January 1, 2013 by phyllys

Algebra check
Convert to exponential equations. 12.) m=log3 9 I have the answer as 3^m =9 13.) log2 64=6 I have the answer as 2^6 =64 Are these answers right?
December 1, 2008 by Shawn

Algebra 2
Simplify: 1. 2log10^5+log10^4 2. 2log3^6-log3^4 3. log4^40-log4^5 4. log4^3-log4^48 I need to see all of the steps. Thanks
May 12, 2011 by Brandon

more math
Are the following statements true ? log(-3) + log(-4) = log12 -log3 - log4 = -log12 Explain why or why not
December 13, 2009 by Anonymous

more math
Are the following statements true ? log(-3) + log(-4) = log12 -log3 - log4 = -log12 Explain why or why not
December 14, 2009 by Anonymous

Math - Properties of Logarithms
Use properties of logarithms to find the exact value of the expression. (log3(81)^4
June 6, 2011 by CheezyReezy

pre-calculus
solve the following logarithmic equation. Be sure to reject any value of x that is not in thedomain of the orginal logarithmic expression. Give the exact answer. log3(x+8)=4 The three actually drops down a little below the g. Can someone tell me how to do this?
October 6, 2012 by ladybug

pre-calculus
What is the domain and range of log3 (1-x)? I will be happy to critique your thinking. To assist you, consider log (-4) log (0) log 25 Those are to the base 10, changing to another base just changes the numbers, not the function.
January 13, 2007 by emma

Algebra/can you help me
Write each expression in terms of common logarithms, and then give a calculator approximation (correct to four decimal places). log7^10= 1.183 How do you find the approximation log3^316 = 5.239 How do you find the approximation Thank you
June 2, 2014 by Mary Ann

maths
how wod i solve the following two eqautions? either exactly or to 3 significant a)2^x = 5 b)3^x+1 = 7 i know a) is 2.32 and b) is 0.771 but i dont know how to show it out step by step in how i worked it out . can sum1 plz help me You have to use logs, and learn how to do that ...
August 14, 2007 by k

maths
i will be greatful to you if you help in solving the below problems: 1.)Prove that log15=log5+log3 2.)Show that log10800=4log2+3log3+2log5 3.)show that log108/605=2log2+3log3-log5-2log11.
April 27, 2012 by srikar

algebra
Rewrite the following as an equivalent logarithmic equation.Do not solve. y^t = x answer logy+logt=logx-is this right also Express as an equivalent expression that is a sum of logt (3ab) the t is at the bottom of the g answer log3+loga+logb logarithms.
May 5, 2010 by dani

Math
Let log 2 = a, log 3 = b and log 7 = c. Express the indicated logarithm in terms of a, b, and c. 1-log3 5 (3 is the subscript of the log) ans:(1-a)/b, i need someone to show me the step bcus my ans is different from the given ans. my ans=(1/a)-b.
March 28, 2013 by ifi

Algebra
Evaluate the logarithmic equation for three values of x that are greater than 2, three values of x that are between 1 and 2, and at x=2. Show your work. Use the resulting ordered pairs to plot the graph. State the equation of the line asymptotic to the graph. y = log3 (x - 1)
June 15, 2010 by Bobby

Algebra 2
Express as a logarithm of a single number or expression: 1. 5log4^p+log4^q 2. log10^x-4 log10^y 3. 4log3^A-1/2 log3^B 4. log5^M+1/4 log5^N 5. log2^M+log2^N+3 6. log5^x-log5^y+2 7. 1-3 log5^x 8. (1+log9^x)/2 I need to see all of the steps. Thanks
May 12, 2011 by Brandon

Algebra
I am having trouble with this one Can someone please show me the steps, the pairs to plot and the asymptotic? Thank you in advance! Evaluate the logarithmic equation for three values of x that are greater than 2, three values of x that are between 1 and 2, and at x=2. Show ...
June 16, 2010 by Kris

algebra
I am supposed to write each logarithmic expression as a single logarithm. I have logbase3of13 + logbase3of3 and my answer is logbase3of39. Can I simplify that any further? also logbase3 of 3 is 1 1+ log3 13 is another answer, simpler, to me. oh, okay, so it would make more ...
April 12, 2007 by Gloria

Algebra 2
1. Find the midpoint and the distance between the points (8,6) and (13, 4). 1. (4, 3), 10 units 2. 3. 4. (10, 1), 9 units 2. Find the vertex and the focus of the parabola with the equation 4y = x2  12x + 52. 1. V(6, 4), F(6, 5) 2. V(6, 4), F(7, 4) 3. V(4, 6), F(4, 7) 4. V(...
June 4, 2011 by Ben

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