53 Answered Questions for the topic Exponential And Logarithmic Functions

Use the function f(x)=-3^(x+2)+4 to find the y-intercept of f(x) algebraically

Please explain and show work :)

solve the problem

The function D(h) = 5e-0.4h can be used todetermine the milligrams D of a certain drug ina patient's bloodstream h hours after the drughas been given. How many milligrams (to twodecimals) will be... more

f(t)=10/1+e^-.1t

I need to find a formula for f-1(t) do I set the funtion =0 =x or what?

how many years will it take you to triple your money at 10% interest compounded annually?

Needs to be rounded to the nearest hundredth.

Is my answer correct?

The population of a town was 5655 in 2010. The population grows at a rate of 1.4% annually.a. Use the exponential growth model to write an equation that estimates the population t years after... more

How long will it take for an investment of \$1,000 to double in value if the interest rate is 7.5% per year, compounded continuously?

I'm doing test corrections for my pre-cal class and Ive got the answer (9.24 years) i just need to know how to get there because I used the wrong equation the first time (2000=1000e^7.5t).

exponential equation questions

1.Evaluate log264+log327×log41/254 2.solve for x 2log4(x+4)-log4(x+12)=1 3.solve the equation (cube root256^2)×16^x=64^x-3 4.3x=9^(x^2-1/2) solve for x

Can you write the following in expotential form?

log5(the five is in the bottom)625=4

I really don't have a clue on how to figure it out. The book doesn't help with other examples

Solve the equation analytically    3ln(x)-2=1-ln(x) %MCEPASTEBIN%

2^(2x+14)=3^(x-17)

Could someone please explain to me the steps to solving this problem. I know it has something to do with logarithms.

The population grew from 8000 to 15000 in 8 years. Assuming uninhibited exponential growth, what is the expected population in an additional 2 years

The population grew from 8000 to 15000 in 8 years. Assuming uninhibited exponential growth, what is the expected population in an additional 2 years?

equal slopes of tangent lines for f(x) and g(x)

f(x) = 2e3x    g(x) = 6x3     When are the slopes of the tangent lines of these two functions equal ?   Please explain well. THANKS !
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