posted by Sarah on .
This is for solving exponential/logarithmic functions:
(This is a base e Logarithmic function I would assume):
e^(4x)/10 =4^x-2 ?
I understand the properties of logs for the most part, but I have a hard time figuring out the step-by-step process on how to solve exponential/log equations? Is your first step always to take the ln of both sides, or is that only for certain types of equations? I need a a step to step list on how to work this, to where I can understand and it's just not all math book definitions. For example, I tried to write out my own process such as:
1. take log of both sides
2. drop logs
5. standard form
Would this be correct?
1. collect exponent stuff on one side
2. take logs
add/subtract terms to get x's on one side
divide by coefficient to get x alone
for the above one,
e^(4x) = 10*4^x - 20
not much you can do now. That pesky -20 gets in the way.