+0  
 
+5
174
1
avatar+295 

find the domain of the function f(x)=ln(2x-20)

Deathstroke_rule  Feb 26, 2017
 #1
avatar+12565 
+5

Since you cannot have a ln of zero or negative numbers:

2x-20> 0

2x>20

All 'x' such that :  x> 10    is the domain

ElectricPavlov  Feb 26, 2017

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