### Home > INT2 > Chapter 4 > Lesson 4.1.2 > Problem 4-20

4-20.

Complete the table below for the function .

Sketch a graph of the function.

Use the values in the table as ordered pairs

and plot them on a graph. This graph is an example of a parabola. The vertex is the maximum or minimum point of a parabola. Where is the vertex of the parabola you graphed in part (a)?