1SinnamonBun 1SinnamonBun

02-11-2018
Mathematics

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x=4 in the equation e^lnx = 4. Why is this so? Can you go through the steps/rules

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altavistard altavistard

02-11-2018

Answer:

e^(ln x) is just plain x

Step-by-step explanation:

The functions f(x) = e^x and g(x) = ln x are inverses of one another. In other words, one "undoes" the other.

Thus, as the rule goes, e^(ln x) is just plain x.

Here, e^(ln x) = 4 simplifies to x = 4.

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