Question

Simplify: ln e ^(x + 4y)
The answer options are
A) 4xy
B) x/4y
C) e^x+4y
D) x+4y

Answer 1

The natural log of e is 1.

Answer 2

so what does that mean?

Answer 3

It means the natural log and e disappear. It turns into this:
1 * (x + 4y)

\[\ln(e^x) = x\]

Answer 4

so then it's just x+4y? :o

Answer 5

You got it.

Answer 6

thank you so very much! :D

Answer 7

ans)c
http://www.wolframalpha.com/input/?i=Simplify+e+^%28x+%2B+4y%29

Answer 8

This is incorrect. Please please please stop plugging into wolframalpha. You forgot the natural log.

Answer 9

lol :D