CPM Homework Banner

Home > A2C > Chapter 2 > Lesson 2.1.4 > Problem 2-55

2-55.

For the function , find the value of each expression below. Homework Help ✎

  1. Substitute for .

  1. The square root of a negative number is undefined.

  1. What value of makes ?

    Substitute for .

    Square both sides.

    Solve for .