Questions on Algebra: Logarithm answered by real tutors!

Tutors Answer Your Questions about logarithm (FREE)

Question 539105: find the domain of the function
f(x)=log base 2 (x+1)
Click here to see answer by nerdybill(7011)

Question 539126: log(x+14)=3
Click here to see answer by Mathpassionate(25)

Question 539273: (1/9) raised to x=6561
Click here to see answer by stanbon(57984)

Question 539319: evaluate the expression
log 9 + log 9/ ln 3- ln 8
Click here to see answer by Alan3354(31538)

Question 539440: how do i explain how to expand the following:log(6/5)^6
Click here to see answer by Earlsdon(6294)

Question 539566: I'm having trouble coming up with the asnwer to: log base 2 2x + log base 2 (x+3) = 3. I'd really appreciate a step by step walkthrough thanks!
Click here to see answer by stanbon(57984)

Question 539604: I need help questions the writes
express as sum,difference and multiples of logarithms and simplify
log 3 <--lowered(3x^2)
Click here to see answer by stanbon(57984)

Question 539731: solve this equation using logarithms. If the answer is not exact, give the answer to four decimal places.
5^3x-1=3^2x
Click here to see answer by lwsshak3(6764)

Question 539559: write as the sum or difference of two or more logarithms
log(5/xy)
Click here to see answer by lwsshak3(6764)

Question 539092: solve for x
3x=(9)x-1 * (27)1-3x (in this equation, x, x-1, and 1-3x are the powers of 3, 9, and 27
Click here to see answer by lwsshak3(6764)

Question 539091: starting with the basic exponential function f(x)=3x (x is the power of 3), use transformation to sketch the graph of g(x)=3x-1 (x-1 is the power of 3)
Click here to see answer by lwsshak3(6764)

Question 540284: I'm having with the attempting to simplify log(4)6xlog(6)64 I've attempted to divide log6/log4, log64/log6 and then multiply them, but I am not sure if that is simplifying the equation
Click here to see answer by stanbon(57984)

Question 540324: what is the sum or difference of log6^17x
Click here to see answer by jim_thompson5910(28717)

Question 540310: I am given the equation 4^x+4=5^2x+5 and I have to answer it in the form of a log. My professor did not go over something like this so I have no idea on where to start the problem.
Click here to see answer by bucky(2189)

Question 540432: PH=-log[h]
if Ph=5.7
how we can calculate the log[h]
I need the answer with explanation.thank u

Click here to see answer by KMST(1936)

Question 540612: I'm having trouble understanding Logarithm problems.
Please help me solve:
log3(x^2-5) = 2 + log3(x^2+8)
Click here to see answer by lwsshak3(6764)

Question 540633: Sorry guys, I'm not sure this is the right category for this question, but I couldn't find a better one. I'm learning about Logarithm's and Exponential Equations at the moment, and having a little trouble.
Please help me solve this equation for x:
Let h(x)=34^(4x-1)
h(x)=1/6
Click here to see answer by scott8148(6628)

Question 540871: Solve: log(x)=1
Click here to see answer by Earlsdon(6294)

Question 540870: Let
Solve g(x)= for x.

Can anyone help me with this please?
Click here to see answer by Earlsdon(6294)

Question 540872: Let
can somebody help me with this?
Click here to see answer by richard1234(5390)

Question 540931: 3*ln x = 18
How do I solve for x,
Click here to see answer by jim_thompson5910(28717)

Question 540962: Let
h(x)=1/6
Solve for X.

Sorry guys! Posted this a while ago, but forgot to include the rest of the problem. Couldn't figure out a way to edit the problem, so I re-submitted.
Click here to see answer by scott8148(6628)

Question 540739: find the exponential function of the form f(x)=ae^bx that passes through the point (0,2) and (2,8).
Click here to see answer by scott8148(6628)

Question 541358: 6^(3x-1)=7^(x+1)
I have tried logging both sides and then moving the exponents in front I think I'm supposed to distribute, but I can't quite remember how.
so this is where I am at:
3x-1 log 6 = x+1 log 7
Click here to see answer by ankor@dixie-net.com(15747)

Question 541460: Write the expression as one logarithm.

The answer I got
Is this correct or is there more to do?
Click here to see answer by Earlsdon(6294)

Question 541556: writing an expression as a single logarithm
Click here to see answer by Earlsdon(6294)

Question 541769: what is log 4 to the base 2 raise to 1/2 + log 8 to the base 2 raised to 1/3 - log 1 to the base 4?
Click here to see answer by stanbon(57984)

Question 541818: log base 10 of 0.001
how do I go about finding this
I know:
10^x = 0.001 but then i am stuck
Click here to see answer by nerdybill(7011)

Question 541815: express as a single logarithm
log2x+5log2y−5log2z

(that is log base two of x + 5 log base 2 o fx - 5 log base 2 of x)
Click here to see answer by Edwin McCravy(8999)

Question 541849: Solve for the unknown value: log(ln(x))=0 Give the answer in exact terms.
Click here to see answer by solver91311(17077)

Question 542146: Simplify the expression log(5)200
Click here to see answer by Alan3354(31538)

Question 542237: log base 2 (3/16)
Click here to see answer by Alan3354(31538)

Question 542293: solve 3^2x+1=5x
Click here to see answer by stanbon(57984)

Question 542298: evaluate log5(625) exact value
Click here to see answer by jim_thompson5910(28717)

Question 542381: solve the logarithmic equation symbolically.
ln2x+ln9x=ln19
Click here to see answer by jpg7n16(66)

Question 541814: Find the derivative of the function y=ln(2x^5) Show all steps worked out
Click here to see answer by jpg7n16(66)

Question 542445: The question states: Solve each logarithmic equation
1.) log(3x-1)=log(x-3)+log6

How do i solve this?
Click here to see answer by Theo(3504)

Question 542514: express a single logarithm: LOGa9+LOGa70
Click here to see answer by nerdybill(7011)

Question 542650: Evaluate the expressions
1. Log64 ^ 4
2. 5 log 5 ^18
Expand.
Ln (e^2/11)
Log2 7^-3
Evaluate or simplify
10log4
Click here to see answer by josmiceli(9819)

Question 542957: I need to Solve the equation log3 x^2 - log3(3x+18)=0
log is base 3 tried log3(x^2/3x+18)=0, not sure if this is right or how to proceed,
also tried to remove log3 ended with x^2-3x+18=0 removed 18from both sides x^2-3x=-18
tried to separate into to equations x=6, x=-3 neither fit into equation can not find another example in the book or in notes please help me figure out how to solve three of us and we still have no idea
Click here to see answer by stanbon(57984)

Question 543058: Ok i do not understand this question and how to do it so im gnna ask it haha
A rare postage stamp, originally purchased for $1150, has been increasing in value at a steady rate of n% per year. Write a function that shows the value of the stamp after t years.
Click here to see answer by ankor@dixie-net.com(15747)

Question 543125: log (x+8)-log x = 2 log 9
How do I work this out?
x+8 = 9^2
X
Click here to see answer by solver91311(17077)

Question 543400: what is the domain of g(x) when g(x)= log base 5 of (x^2+3-18) ??
Click here to see answer by stanbon(57984)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025