Question

Solve e^4x=5.7 for x correct to four decimal places.

Answer 1

calculator exercise for sure
start with
\[4x=\ln(5.7)\] then compute
\[\ln(5.7)\div 4\]

Answer 2

\[e^A=B\iff A=\ln(B)\] is what you use

Answer 3

We will have to use logarithms. We want to use logs to take the 4x out of the exponent.

Answer 4

you can do it here if you like, without using a calculator
http://www.wolframalpha.com/input/?i=ln%285.7%29%2F4

Answer 5

Any ideas on how we can use logs to accomplish that? @ejune420

Answer 6

sorry guys my computer froze up. thanks @satellite73 i got it now!