## anonymous 3 years ago I dont understand how you get from one step to another. . . has to do with differential equasions

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1. anonymous

$u-70=e ^{\ln(u-70)} = e ^{kt+C} = e ^{C}e ^{kt}$

2. anonymous

ln(u-70) + kt+C

3. anonymous

theyre in reverse order

4. anonymous

@timo86m

5. anonymous

@bahrom7893

6. anonymous

u-7 = u-70 well it simpliifies to this. by using the exponent properties right?

7. anonymous

i think. . . i'm not sure

8. anonymous

I am sure :)

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