The weight in kilograms, W of a female African elephant at age t years is given by W(t) = 2600(1 - 0.51e^-0.075t). Estimate the age, to the nearest year, of an adult female African elephant weighing 1800 kilograms. Please check my answer: 6.737 or 7 yrs

Question

anonymous · Answer

hihi, ty for looking at my problem

anonymous · Answer

I did this problem 5 times and got 5 different answers so I need someone to check my answer

anonymous · Answer

I checked your answer, and it isn't coming out right.  Let me work it out.

anonymous · Answer

bah, ok thnx

anonymous · Answer

Looks like this?
$$1800=2600(1-0.51e^{-0.075t})$$

anonymous · Answer

yes

anonymous · Answer

exactly right

anonymous · Answer

Huh, I got 6.737, so my check may have been wrong

anonymous · Answer

so im good?

anonymous · Answer

Okay, check was right that time.  Sorry about the run-around.

anonymous · Answer

i plugged 6.737 into the problem and got 1800^^ but im not sure now

anonymous · Answer

You're good :)

anonymous · Answer

ahh alright thnx

anonymous · Answer

No worries.

anonymous · Answer

I worked this problem 5 times and got 5 different answers so im not sure anymore

anonymous · Answer

Heh, these problems are notorious for that.