Questions on Algebra: Logarithm answered by real tutors!

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Algebra: Logarithm

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Question 172869: base of log in parenteses
3Log(4) X = Log(4) 8
Click here to see answer by Alan3354(6059)

Question 172870: the log base is in parenteses right after the log
Log(2) (x-8) + Log(2) (x+4) = 5
Click here to see answer by KnightOwlTutor(292)

Question 173067: Plot the graphs of the following functions. Scan the graphs and post them to the Facilitator along with your response.
1. f(x)=7x
2. f(x)=4x - 3
3. f(x)=(1/5)x
4. f(x)= log3x

Click here to see answer by user_dude2008(715)

Question 173350: Express the foloowing exponential expressions in logarithmic form
e^4=x
log4 16=2
Click here to see answer by user_dude2008(715)

Question 173346: Express the following logarithmic expression in exponential form
1. log 4 16-2
2. Ln1=0
Click here to see answer by user_dude2008(715)

Question 173355: express the following exponential expression in logarithmic form
3^4=81
Click here to see answer by user_dude2008(715)

Question 173406: log25 1/25
Click here to see answer by KnightOwlTutor(292)

Question 173427: Solve the equation:
logx27=2/3
Click here to see answer by Alan3354(6059)

Question 173437: Evaluate the following expression
log.01

Click here to see answer by Alan3354(6059)

Question 173436: Evaluate the following expression:
lne^4
Click here to see answer by vleith(1977)

Question 173436: Evaluate the following expression:
lne^4
Click here to see answer by solver91311(5072)

Question 173472: Write the given logarithm in terms of logarithms of x, y and z:
log(5) xy^2/z^4
Click here to see answer by Alan3354(6059)

Question 173435: Evaluate the following expression:
Log5 1/25
Click here to see answer by solver91311(5072)

Question 173428: Express as one term logarithm:
3/2logb4 - 2/3logb8 + 2logb2=?
Click here to see answer by josmiceli(3003)

Question 173505: log(x^2-936)=3
Click here to see answer by Alan3354(6059)

Question 173505: log(x^2-936)=3
Click here to see answer by solver91311(5072)

Question 173509: Solve log(35-x^3)/log(5-x)=3
Click here to see answer by vleith(1977)

Question 173508: Solve for x:
2 x 3^x =7 x 5^x

Click here to see answer by vleith(1977)

Question 173507: Solve for x
2^(x^2)=32(2^(4x))

Click here to see answer by vleith(1977)

Question 173504: Solve for x:
3x^(2+20)=(1/27)^(3x)

Click here to see answer by stanbon(26252)

Question 173572: Solve y=log2(5x-4)
y=3+log2(x-1)

Click here to see answer by stanbon(26252)

Question 173578: Log(2x+1)+log(x-1)=log9
Click here to see answer by stanbon(26252)

Question 173585: Solve: log5(log3x)=0
Click here to see answer by solver91311(5072)

Question 173587: A bacteria culture doubles every 15min. How long would it take for a culture of 20 bacteria to grow to a population of 163840?
Click here to see answer by stanbon(26252)

Question 173589: I need help ploting and graphing the following equations:
f(x)=4x - 3
f(x)=(1/5)x
f(x)= log3x

Click here to see answer by Mathtut(3670)

Question 173574: 3^(x+2)+3^x=270
Click here to see answer by solver91311(5072)

Question 173579: Log6-log6(x-1)=1
Click here to see answer by nycsub_teacher(90)

Question 173577: 5^(1-x)=10
Click here to see answer by Alan3354(6059)

Question 173594: Log(base6)x+log(base6)(x-5)=2
Check for inadmissible roots
Click here to see answer by josmiceli(3003)

Question 173595: Log(base6)x+log(base6)(x-5)=2
Check for inadmissible roots

Click here to see answer by ankor@dixie-net.com(6691)

Question 173576: 6(x/3)=30
Click here to see answer by jojo14344(1483)

Question 173669: Log(x+99)-Logx=2
Click here to see answer by Alan3354(6059)

Question 173741: Hello,
My question concerns growth, but I do not understand how to use the log in the equation. It reads f(x)=400 log10 (2t+3). It is asking how many animals will there be after six months. Can you help me make sense of this problem? Thank you ever so much.
Click here to see answer by ankor@dixie-net.com(6691)

Question 173573: 5^(t-1)=3.92
Click here to see answer by jojo14344(1483)

Question 173762: what is the real value of x in the equation log2 24-log 2 3 = log5 x?
Click here to see answer by stanbon(26252)

Question 173762: what is the real value of x in the equation log2 24-log 2 3 = log5 x?
Click here to see answer by Alan3354(6059)

Question 173743: Hello,
my problem is log6 (1/36) the six in the log is small and slightly lower.
Thank you.
Click here to see answer by Alan3354(6059)

Question 173580: Log6x+log6(x-5)=2
Check for inadmissible roots

Click here to see answer by nycsub_teacher(90)

Question 173812: i need an example of an exponential function converted into a logarithmic function and graphed.
Click here to see answer by stanbon(26252)

Question 173742: Hi,
my problem is log5 radical 5. I am not sure how to deal with the radical. Thanks.
Click here to see answer by Alan3354(6059)

Question 173596: Log(base6)-log(base 6)(x-1)=1
Click here to see answer by nycsub_teacher(90)

Question 173593: log(base2)(log(base4)x)=1
Click here to see answer by Fombitz(2113)

Question 173847: log4(128)
Click here to see answer by stanbon(26252)

Question 173592: log(base 5)(log(base3)x)=0
Click here to see answer by Fombitz(2113)

Question 173575: 225(1.05)^x=450
Click here to see answer by Fombitz(2113)

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