I don't get how to do this and I'm not sure how to use the ln y' =

I don't get how to do this and I'm not sure how to use the ln y' =

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...

Sales of a product, under relatively stable market conditions but in the absence of promotional activities such as advertising, tend to decline at a constant yearly rate. This rate of sales decline...

Suppose an Egyptian mummy is discovered in which the amount of carbon-14 present is only about three-fourths the amount found in living human beings. The amount of carbon-14 present in animal bones...

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...

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

Let f(x)= -5ln(6x) I can't figure out how to find the fourth derivative. f'(x)= -5/x f'(4)= ___

The amount of carbon-14 present in a paint after t years is given by y=y0e-0.00012t. The paint contains 37% of its carbon-14. How old are the paintings?

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?

ln(x+4) - ln18 = ln5

7 e^x = -2 e^x + 5 Find x where e is the base of a natural log

My teacher will give me extra credit if I can prove that log(a^x) = 1/log(x^a) Can you help? Thank you.

LIM x→1+ ((1/LN(x)) - (1/x2-1))

Solve for x and give answers as exact solutions

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