### Home > GB8I > Chapter 3 Unit 4 > Lesson INT1: 3.1.4 > Problem3-49

3-49.

For the function $f\left(x\right)=\sqrt{3x-2}$, what is the value of each expression below?

1. $f ( 1 )$

• Substitute 1 for x.

$\textit{f}(1)=\sqrt{3-2}$

$f(1) = 1$

1. $f ( 9 )$

1. $f ( 4 )$

1. $f ( 0 )$

• The square root of a negative number is undefined.