### Home > CCA > Chapter 2 > Lesson 2.1.4 > Problem2-45

2-45.

Evaluate the expressions below for the given values. Homework Help ✎

1. x2 + 3x for x = −3

2. 5 − (x − 2)2 for x = −1

3. $\frac { - 5 } { k + 1 }$ for k = −1

4. $| \frac { x } { x + y } |$x2 + y for x = 2, y = −3

• Substitute the given value for the variable and evaluate.

• (c): undefined (d): −5