### Home > AC > Chapter 12 > Lesson 12.2.2 > Problem 12-47

12-47.

If

Substitute 7 into the equation.

*g*(7) = 2 + 1*g*(7) = 3

Can you take the square root of a negative number?

12-47.

If

Substitute 7 into the equation.

*g*(7) = 2 + 1*g*(7) = 3

Can you take the square root of a negative number?