16 Answered Questions for the topic Natural Logs
09/16/19
Solve the exponential equation. Express the solution as an exact answer in terms of natural logarithms
𝑒9−5𝑥=6981I got the decimal approximation of the answer but I have to enter the log version into webwork as well and because it is so specific about how the answer must be formatted I cannot seem...
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Natural Logs Differentiation
01/05/18
Differentiation- Urgent help needed
let 𝑈(𝑥, 𝑦) be defined for all x > 0, y > 0 by𝑈(𝑥, 𝑦) = ln(𝑥^a+y^a)-Ln(y^a) where 𝛼 is a positive constant
find U'1(x,y), U'2(x,y) and U''12(x,y)
Natural Logs Precalculus
11/09/17
If lnm= 2.5 and lnw= 3, find a value for ln(m^6w^7)
Please show work
Natural Logs
04/16/17
Solve the equation for for x. e (to the power of e) to the power of x = 15
(ee )x = 15
03/09/17
A pie cools in a 70 degree room. The pie is 300 degrees. After ten minuites the pie cools to 260 degrees
Create a formula then find the temp of the pie after 120 minuites
10/23/16
implicitly differentiate y=e^(-mx)
I don't get how to do this and I'm not sure how to use the ln
y' =
05/02/16
A sample of 400 g of radioactive lead-210 decays to polonium-210 according to the function A(t)=400e^-0.032t....
A sample of 400 g of radioactive lead-210 decays to polonium-210 according to the function A(t)=400e-0.032t,where t is time in years. Find the amount of radioactive lead remaining after
(a) 4...
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Natural Logs
01/13/16
Use natural logarithms to solve the equation. 8e3x + 9 = 13.
I am really confused how to solve this, and how to put it into a calculator.
A)0.337
B)-2.838
C)0.058
D)-0.231
12/04/15
Natural Logarithms
e9-4x = 7472 We need to express the solution in terms of natural logarithms, having both the EXACT answer and the DECIMAL APPROXIMATION.Somehow got the decimal approximation, but not the exact...
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11/04/15
Calculus + Natural Log + Derivative
Let f(x)= -5ln(6x)
I can't figure out how to find the fourth derivative.
f'(x)= -5/x
f'(4)= ___
02/11/15
The value of the new car purchased for $27600 depricates 10%per year.
Write an exponential decay model for the value of the car.After about how many years will the car be worth half of its purchase price?
Natural Logs
11/29/13
How do you prove log(a^x) = 1/log(x^a)
My teacher will give me extra credit if I can prove that
log(a^x) = 1/log(x^a)
Can you help? Thank you.
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