97 Answered Questions for the topic Logarithmic functions

Logarithmic Functions Precalculus Logarithm

07/20/21

How would I answer this question?

If log2a + log2b = 3 calculate all the possible integer values of a if b is also an integer value. Explain reasoning.
Logarithmic Functions Precalculus Logarithm Exponential Decay

07/20/21

Exponential Decay Word Question; how would I solve this?

2000 tons of a radioactive element was spilled into a nearby pond. The half-life of this element is 36 days. In order for it to be declared safe for swimming there must be less than 100 tons of the... more
Logarithmic Functions Precalculus

07/20/21

How could I answer this question (logarithmic functions)?

Given that x=log35 and y=log32 , rewrite log360 in terms of x and y.
Logarithmic Functions Precalculus

07/20/21

Using the laws of logarithms please evaluate the following questions. Make sure to leave answers in exact form.

a) log318 + log35 - log310b) 3log2(1/2) - 2log2(1/4)
Logarithmic Functions Precalculus Logarithm

07/19/21

Using knowledge of logarithmic functions and logarithmic equations, determine the restriction(s) on the variable x in the following equation.

Equation: log(2x-5) + log(x-3) = 1Once stated and explained the restriction(s), include a solution to the equation in your response.
Logarithmic Functions Precalculus Logarithm

07/18/21

How many of the following characteristics can two different logarithmic functions share, while still remaining different?

Domain Range Y-intercept Intervals of increase or decrease Decide how many characteristics and explain with examples.
Logarithmic Functions Calculus Precalculus Logarithms

09/21/18

evaluate the following in terms of x and y

If log p=x and log q=y, evaluate the following in terms of x and y: #1)  (log p^-4)/(loq q^-5) = ? #2) (log p^5)^−3 = ?
Logarithmic Functions Math Logarithms

08/06/18

Question about rewriting to log form

  K(t) = 50 · 0.65t   This formula can be rewritten in a form t = A log (K) + B   Do this to find the values for A and B   Could someone please help me with this one?   Thank you.
Logarithmic Functions Math Transforming Functions

08/06/18

Transforming logarithmic functions

B=5·82t into t=1/2 · log8 (1/5 B)     I need an explanation how to solve this step by step, so I can better understand how to tackle problems which are similar.   Thank you!
Logarithmic Functions

06/25/18

If x^2 + y^2 =23xy, prove that log {(x+y)/5} = (1/2) (log x + log y)

if x2+y2 = 23xy, prove that log (x+y)/5 = (1/2) log x + log y 
Logarithmic Functions Limits Logarithms Derivatives

06/25/18

FInd the 1000th derivative of Ln(x+1)

I am struggling as i know the sequence but got no idea how to describe it mathematically!
Logarithmic Functions

06/25/18

If y= (m^3×n^4)/(16p^2 ) then prove that 3 log m + 4 log n = 4 log 2 + 2 log p + log y

Tried many ways still could not solve pl help fast
Logarithmic Functions

06/23/18

prove that 27^log2=8^log3

Hint : Take log both the sides
Logarithmic Functions

03/19/18

logarithmic

you start a savings account with $1000. This account earns 0.45% per month. When will this account reach $1124?
Logarithmic Functions Word Problem Exponential Functions

02/11/18

Application of exponential and logarithmic functions

Bacteria growing in a petri dish double every 30 minutes. If the sample has 10 bacteria in the dish initially,(a) write a function to describe the population at time t. Also,(b) find the population... more
Logarithmic Functions Word Problem Exponential Functions

02/11/18

Application of exponential and logarithmic functions

Bacteria growing in a petri dish quadruple every 2 hours. If the sample has 18 bacteria in the dish initially,(a) write a function to describe the population at time t. Also,(b) find the population... more
Logarithmic Functions Exponents Logarithms Logs

12/12/17

Solve the following

1.find the value of Of each of the following, giving your answer an integerLog64+Log692.Let Log3P=6 and Log3Q=7Find Log3(P/Q) By expanding the logarithm 3.Solve the equations below using exponents... more
Logarithmic Functions Logarithms Pre Calculus

12/12/17

Find the value of each of the following

solve    82x+1=162x-3     find the value of Of each of the following, giving your answer an integer   Log62-Log612    
Logarithmic Functions Pre Calculus Logarithmic Equation

12/12/17

Solve Logarithms

Solve Log327+Log81/8-Log164=Log4x
Logarithmic Functions

12/10/17

Let x = ln 3 and y = ln 5. Write the following expressions in terms of x and y

11. Let x = ln 3 and y = ln 5. Write the following expressions in terms of x and y a. ln(5/3)b. ln45
Logarithmic Functions

12/07/17

solve the problem.

The logarithmic function h(A)=29+48.8 log(A+1) gives the percent of the adult height a male child A years old has attained. If a boy is 9 years old, what percent go his adult height will he have... more
Logarithmic Functions Precalculus Logarithmic

10/25/17

Use the definition of the logarithmic function to find x. (Write in exponential form to solve)

log2 x = 5

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