**How do you solve this using Matlab r2007b? ? - matlab r2007b plp**

You do not know how this problem by Matlab R2007b to solve, as I'm new.

Assuming that the blue whale can be modeled in the first rotation of the equation f (x) around the x-axis in the interval [0, 30], and discard everything under the x-axis (graph of the function W (x) in Matlab, so that you can see in this area is to be rejected)

w (x) = - [0.4596x ^ (2 / 5) * (x - 30)] / (2x + 13)

You must use the concept of volumes of revolution in order to estimate the size of a blue whale is that it evaluates a Matlab code that have run:

.................. n

V (x) = (1 / 2) Σ π [f (xi)] ^ 2 x DELTA

................. i = 1

Where n = 20, and DELTA x = 30/20. I need to write an M-file that calculates V (x) and this file. M has annotations that explain how the code.

Note: x = x (index i)

Any help would be very grateful! Can you show some work.

Thank you heaps.

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