F(x)=100.ln(87/x-78)

F(x)=100.ln(87/x-78)

i have a problem in this question . i have tried it a lot of time but always strucking plz help

The height of trash in a landfill is growing logarithmically. In 2015 it was 10 feet tall, and in 2106 it was 11 feet tall. a)Write a function for the height of the landfill t years...

log2 x = 5

ln(4)-ln(x)=-0.15

3 log x - 4log y + 1/2 log z

3 log x - 4log y + 1/2 log z

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...

The logistical growth function f(t) = 77,000/1 + 1539.0e^-1.3t models the number of people who have become ill with a particular infection t weeks after its initial outbreak in a paticular community...

So, in all, I'm really just asking how I would use log in general. (Please answer in a 'for dummies' format please! :) Not exactly the best with the vocabulary!) Due to some research, I've learned...

having trouble solving for x can you help me out step by step to solving x

Create a formula then find the temp of the pie after 120 minuites

I don't know the transformations neither do I know which one will give me a y-intercept

what would the exponential regression question be that models the number of grams remaining? y, after x number of days

For every half life how many # of days and grams remaining?

On a graph, graph the function f(x)=a^x and g(x)=log sub a x when a=2, a=.5 and a=1. how many points of intersection does each value of a produce ?

logarithmic functions

Given that a=c3 and b=√c , evaluate logab

Which of the following are true? f(x)=x3+2x2 a) The inverse is a function thus the function is one-to-one. b) The inverse is not a function thus the function is one-to-one...

Gabby invested $6500 at 2.3% interest rate compounded monthly. What is the minimum number of years Gabby must wait to have at least $7500? I have another question like this but I would...

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