Problem

Find the volume of the solid formed by rotating the region enclosed by \[ y=e^{4 x}+6, y=0, x=0, x=0.3 \] about the $x$-axis. Enter your answer as an approximation, accurate up to three or more decimal places. \[ V= \]

Solution

Step 1 :The volume of the solid formed by rotating a curve \(y=f(x)\) from \(x=a\) to \(x=b\) about the x-axis is given by the formula: \(V = \pi \int_{a}^{b} [f(x)]^2 dx\).

Step 2 :In this case, \(f(x) = e^{4x} + 6\), \(a=0\), and \(b=0.3\). We can use this formula to calculate the volume.

Step 3 :Substitute the values of \(f(x)\), \(a\), and \(b\) into the formula.

Step 4 :Calculate the integral to find the volume.

Step 5 :Final Answer: The volume of the solid formed by rotating the region enclosed by \(y=e^{4 x}+6\), \(y=0\), \(x=0\), \(x=0.3\) about the \(x\)-axis is approximately \(\boxed{18.849}\) cubic units.

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Source: https://solvelyapp.com/problems/q7YKNdwNdJ/

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