### Home > CALC > Chapter 1 > Lesson 1.3.3 > Problem1-127

1-127.

Approximate $A(f, -2 ≤ x ≤ 3)$ for $f(x) = x^2 - x - 6$ using $10$ left endpoint rectangles. .

Find the sum of the areas of all $10$ rectangles. What is the width of each rectangle? How can you calculate the height of each one?

Use the eTool below to view the graph.
Click the link at right for the full version of the eTool: Calc 1-127 HW eTool