Is that the simplified equation? @jim_thompson5910
jimthompson5910 (jim_thompson5910):
you will use one of those two equations to answer the question
OpenStudy (anonymous):
how do i know which one
jimthompson5910 (jim_thompson5910):
the question is e^(ln(3))
there's only one number in it: 3
so why not replace x with 3
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jimthompson5910 (jim_thompson5910):
and then try to match up the question with one of the equations given above
OpenStudy (anonymous):
Okay so it would be the first equation?
@jim_thompson5910
jimthompson5910 (jim_thompson5910):
that is correct
OpenStudy (anonymous):
So what now
jimthompson5910 (jim_thompson5910):
replace x with 3
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OpenStudy (anonymous):
e^(ln(3))=3 @jim_thompson5910
jimthompson5910 (jim_thompson5910):
yes
jimthompson5910 (jim_thompson5910):
the e^x and ln(x) functions are inverses of each other
one goes forward, the other takes you in reverse
so they undo each other
it's like multiplication and division
OpenStudy (anonymous):
alright so now what? @jim_thompson5910
jimthompson5910 (jim_thompson5910):
you're done. The answer is 3
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