### Home > AC > Chapter 14 > Lesson 14.2.1.4 > Problem 2-55

2-55.

Substitute 1 for *x*.

*f*(1) = 1

The square root of a negative number is undefined.

Substitute 6 for *f*(*x*).

Square both sides.

36 = 3*x* − 2

Solve for *x*.

2-55.

Substitute 1 for *x*.

*f*(1) = 1

The square root of a negative number is undefined.

Substitute 6 for *f*(*x*).

Square both sides.

36 = 3*x* − 2

Solve for *x*.