27 Answered Questions for the topic Log

12/09/20

#### Calculus Problem Read Description

Use the logarithmic differentiation process to PROVE the “scalar multiple” rule for derivatives.

05/20/20

#### Why is log(-527) not able to be evaluated

Dave was trying to use a calculator to evaluate log(-527)but he kept getting an error message explain why his calculator would not provide a value for log ( -527)

01/27/19

#### Compute the exponential (exp) of y = [ln(0.5), ln(1), ln(e)]

I am confused as to what answer they are looking for. I have tried a few things and I don't know which one is right.

Log

02/12/18

#### how to solve this kind of question logx + 2x = 4. how to solve for x here

I want to solve for x here

Log

08/13/17

#### Find the value of

log 8 base 3÷( log 16 base 9 ×log 10 base 4)
Options:
1. 3.log 2 base 10
2. 7.log3 base 10

06/24/17

#### Worded indicies problem- Find temperature of liquid

When a liquid is placed into a refrigerator, its temperature T°C at a time t minutes is given by the formula
T=T*10^-kt
The temperature is initially 100°C and drops to 40°C in 5 minutes.
Find...
more

Log Logarithms

05/04/17

#### Write an equation for option 2 and find how much money would you make on the 30th day.

Suppose a retired professor who lives next door offers to pay you to work for him for the next 30 days. He says he will pay you $500 per day (option 1), or if you would like, he will pay you $0.01...
more

04/19/17

#### evaluate log expression

log x^(6/5)*y^(4/5)
given that log x=2, log y =3. log 2 =0.3, and log 3=0.48
the answer is 24/5 but I dont know what to do after getting rid of the radical

#### Applied logarithmic equation.

How many years will it take an investment to increase in value by 50% if interest is compounded semiannually at 8%.

Log

03/20/17

#### Logarithmic Equation

log base 9.2 of 11.3^t is 2t+1. Answer to the nearest thousandth and show your work.

Log Absolute

07/17/16

#### How would I grapg this logarithm if the x is absolute ?

y=log2 |x|
I dont understand because wouldnt there be two graphs for this instead of one? Also, if i were to find the table of values , what would it be ?

Log Logarithms

05/20/16

#### You deposit 1000 into an account at 5% interest compounded continuously. How long will it take for your money to double?

It's hard

Log Functions

11/01/15

#### Write as a single logarithmic function: ln(x^2-4) - ln(x+2) + 2ln(x)

Can you show the steps of how you get this answer... Thank you.

08/25/15

#### Which of the following is equivalent to 2^4 =16?

Which of the following is equivalent to 2^4 =16?Select one:A. log4^16 = 2B. log2^4 = 16C. log2^16 = 4D. log4^2 = 16

Log

04/19/15

#### The half-life of krypton-85 is 11 days. How long will it take for 6.3% of a given amount of krypton-85 to be left?

this question involves solving with logarithms and exponentials

11/14/14

#### how do I solve the equation 2^(3x+1) = 8^p

How do I solve the above equation for x in terms of p? Please show the steps in working it out. thanks.

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