Find the lim

Question

find the lim as x approches 5 of f(x)=In(x+3)

 

 

find the lim  2/x+3

            x-->3

 

 

 

what is a good wedsite that explaing every thing about limits? 

 

THANK YOU SO MUCH FOR THE HELP

Answer 1

To find the limit first plug in the value that x is approaching. If you get and answer that is not being divided by zero then this is you answer. If it is being divided by zero try to simplify the function.

 

Also you can use this website to learn more about limits. 

http://tutorial.math.lamar.edu/Classes/CalcI/LimitsIntro.aspx