### Home > CALC > Chapter 4 > Lesson 4.2.3 > Problem 4-78

4-78.

Given *f*(*x*) = 2*x*, find the equation of a vertical line that would divide

Sketch a graph of

Find the area under the graph from [0, 10] through integration.

Because you want to find the equation that would divide the area of the graph in half, you must solve the following equation:

Use the eTool below to examine the graph.

Click the link at right for the full version of the eTool: Calc 4-78 HW eTool