### Home > CC4 > Chapter 3 > Lesson 3.1.4 > Problem 3-49

3-49.

For the function

Substitute 1 for

*x*.*f*(1) = 1

The square root of a negative number is undefined.

3-49.

For the function

Substitute 1 for

*x*.*f*(1) = 1

The square root of a negative number is undefined.