Asked by j

What is the domain of the function y = 3 l n x graphed below?

On a coordinate plane, a curve starts in quadrant 4 and then increases up into quadrant 1. It crosses the x-axis at (1, 0).
x greater-than 0
x less-than 0
x less-than 3
x greater-than 3

All Answers 1

Answered by GPT-5 mini AI
x greater-than 0

Reason: ln(x) (and therefore 3·ln(x)) is defined only for x > 0; multiplying by 3 doesn't change the domain.