### Home > CALC > Chapter 1 > Lesson 1.2.5 > Problem 1-88

1-88.

If*A*(*y,* 0 ≤ *x* ≤ 4) using 8 left endpoint rectangles of equal width. 1-88 HW eTool (Desmos) Homework Help ✎

Area of each rectangle = *bh*

All rectangles have a base of 0.5. Heights are determined by the function. (Notice that the first rectangle has a height of 0.)

Use the eTool below to view the graph.

Click the link at right for the full version of the eTool: Calc 1-88 HW eTool