How do you find the domain of f(x) = 2 / sqrt(3x-2)?

2 Answers
Jun 17, 2018

x>2/3

Explanation:

Since we have a square root in the denominator we get

x>2/3

Jun 17, 2018

x inRR,x>2/3

Explanation:

"the denominator of f(x) cannot be zero as this would"
"makef(x) undefined"

"we require "3x-2>0rArrx>2/3

"domain "(2/3,oo)larrcolor(blue)"in interval notation"
graph{2/(sqrt(3x-2)) [-14.24, 14.24, -7.12, 7.12]}