SOLUTION: The question asks to "tell whether the x-value is a solution of the equation" answer yes or no. I have no idea how to go about these. Thanks in advance! lnx=3,x=e^3 lnx=4,x=4

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: The question asks to "tell whether the x-value is a solution of the equation" answer yes or no. I have no idea how to go about these. Thanks in advance! lnx=3,x=e^3 lnx=4,x=4      Log On


   

Question 622548: The question asks to "tell whether the x-value is a solution of the equation" answer yes or no. I have no idea how to go about these. Thanks in advance!
lnx=3,x=e^3
lnx=4,x=4^e
lnx=5,x=5^e
log5x=2,x=20
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Use the definition of the logarithm function:




For example (recalling that means ):



Looks like the first one is true. Have fun with the others.

John

My calculator said it, I believe it, that settles it
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