The washer method is used when you have two functions where you want to find the volume between the functions. Let's start with a couple of simple functions: y = 1 and y = 2.

Example: Using the Washer Method Find the volume of a solid of revolution formed by revolving the region bounded above by the graph of f (x) =x f ( x) = x and below by the graph of g(x) = 1 x

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Step 1: First, we will graph our bounded region. How To Find The Volume Of A Solid With Integrals Step 2: Next, we will identify our rotation axis and create our vertical, rectangular slice perpendicular to the axis of rotation (i.e., the x-axis). In doing so, we determine our thickness to be dx. Washer Method – Revolving Around See more

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To determine what the math problem is, you will need to look at the given information and figure out what is being asked. Once you know what the problem is, you can solve it using the given information.

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