99 Answered Questions for the topic Logarithmic functions
03/28/16
How can i find b?
A 43 mg of a vaccine is given to a patient to prevent measles. The vaccine leaves the body at a rate of5.2% per hour.
b-The number of milligrams of vaccine in the body after h days is how many...
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03/10/16
The voltage V across a charged capacitor is given by V(t)6e(-.26)t volts, where t is in seconds.
The voltage V across a charged capacitor is given by V(t)6e(-.26)t volts, where t is in seconds.
(a) What is the voltage V(6) after 6 seconds? Find the time t when the voltage will be 1...
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03/10/16
Finding the Actual Doubling Time (Logarithms and Exponential Models)
This problem involves the Rule of 70, which gives quick estimates of the doubling time of an exponentially growing quantity. If r% is the annual growth rate of the quantity, then the Rule of 70...
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02/20/16
find domain of g(x)=log_5(6x+4)
The domain must be either greater than or less than x. Not sure how to set this up correctly.
02/17/16
Solve the equation for the indicated unknown.
Solve the equation for the indicated unknown. Write your answers exactly and then, where appropriate, approximate to four decimal places.
log(m-1)-log(m+1)=-1
02/01/16
How do you solve log 8 ^ -1/3
log 8 ^ -1/3
The answer is log(1/2) = -0.301 . But what are the mathematical steps of how to go from
log 8 ^ -1/3 to log(1/2)
Logarithmic Functions
01/18/16
how to find asymtote of log2(x-4)+1
the 2 in "log2" is smaller ps not exponent
Logarithmic Functions
12/09/15
If you have $300 and every 5.5 hours the money triples how much money would you have at the end of the day?
Every 5.5 hours the 300 triples for 24 hours
Logarithmic Functions Logarithms
12/02/15
Use the properties of logarithms to write the expression as one single logarithm in simplest form
Use the properties of logarithms to write the expression as one single logarithm in simplest form
8log(base 5)*(4sqrt(x))-4log (base 5) *(x)
Logarithmic Functions
11/07/15
find the domain of the function f(x)=log(x-2).
find the domain of the function f(x)=log(x-2). write your answer in interval notation.
Logarithmic Functions
11/06/15
find the domain of the function f(x)=log(x-2).
1. find the domain of the function f(x)=log(x-2).
2. evaluate log8^4 analytically.
3. use a graphing utility to solve the equation e^-x=3 lnx
Logarithmic Functions College Algebra
10/27/15
please help
logb2=0.135 and logb5=0.714, find logb(25/8)
08/28/15
4 Algebra 2 Questions
1. Solve 2^x=32 and rewrite this equation in a logarithmic form.
2. Analyze the characteristics exponential and logarithmic functions. Make sure you talk about domain and range. 3. Demonstrate at...
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Logarithmic Functions
08/13/15
Explain why the graphs are different
The graphs of [y=log x + log (2x)] and [y=log (2x2)] are different. Although the graphs are different, simplifying the first expression using the laws of logarithms produces the second expression....
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Logarithmic Functions
08/13/15
Describe three characteristics of the function y=log4x that remain unchanged under the following transformations
Describe three characteristics of the function y=log4x that remain unchanged under the following transformations: a vertical stretch by a factor of 3 and a horizontal compression by a factor of 2
Logarithmic Functions
08/12/15
For what value(s) of k will the following function have y-intercept of 1
For what value(s) of k will the following function have y-intercept of 1: f(x)=log4(-2x+k2)-1 Show Your Work
Logarithmic Functions
08/12/15
Logarithmic Transformations
State the transformations, in proper order, that are needed to turn f(x)=4log3(x-2) into g(x)=-2log3(x+1)
Logarithmic Functions Exponential Functions
08/12/15
The half-life of platinum-197 is 20 h. How long will it take for a 500-g sample to decay to 125 g?
Multiple Choice of:
a) 10 h
b) 40 h
c) 20 h
d) 80 h
Logarithmic Functions
07/08/15
. if 78.04% of the carbon-14 remains in the sample, estimate the age of the mummy. the half size carbon-14 is 5730 years
jkjjkjkljlkjljk
Logarithmic Functions Exponential Functions
05/25/15
Solve the following equations. Round to 3 decimal places.
a) 2x+1 = 3x-1
b) log(2x+1) + log(x-1)= log9
Logarithmic Functions
05/15/15
this a algebra 2 question on logarithmic function using N=Be^2T
a bacteria grows according to the model N=Be^2t, where N is the number of bacteria after t hours and B is the initial number in the colony. how long does it take the colony to grow to 5 times its...
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05/04/15
Write the particular equation representing this data expressing air pressure as a function of altitude.
Climbing Mt. Everest is not an easy task! Not only is it a difficult hike, but the Earth’s atmosphere decreases exponentially as you climb above the Earth’s surface, and this makes it harder to...
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Logarithmic Functions
04/28/15
$8000 deposited at 5% compounded quarterly how long to reach at least 16,000
How long will it take?
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