For a solid whose cross sections perpendicular to the -axis are rectangles whose…

MATHEMATICS · Single correct · AP · Calculus AB · Applications of Integration · Applications of Integration

Problem

For a solid whose cross sections perpendicular to the

x

-axis are rectangles whose height is four times the base width

w

, which of the following gives the area

A(w)

of a single cross section in terms of

w

? (a)

w^{2}

(b)

16w^{2}

(c)

4w^{2}

(d)

\dfrac{w^{2}}{4}