Write an Integral Giving the Area of the Surface Obtained $\pi$

question 23

Multiple Choice

Write an integral giving the area of the surface obtained by revolving the curve about the x-axis. (Do not evaluate the integral.) y = on [3, 6]

• A)2\(\pi\)
• B)2\(\pi\)
• C)8\(\pi\)
• D)8\(\pi\)

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Definitions:

Fern

One of a phylum of seedless vascular plants that reproduce by

Sori

Clusters of sporangia, often found under fern leaves, where the spores are produced.

Ferns

A group of non-flowering vascular plants that reproduce via spores and have leaves typically referred to as fronds.

Fronds

The leaf-like parts of ferns and some other plants, often large and divided into sections.