Question 246215
What is the domain of g(x)=sqrroot of 5x-75 in interval notation? 5x-75 is all under the square root sign. Thanks

The square root is only defined for non-negative numbers so the domain is for all values of x where 5x-75 => 0

5x-75 => 0
5x => 75
x => 15 

It remains only to put this into interval notation.