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# Continuity, Differentiability and the Volume of a Solid

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1. Decide whether each of the following statements is true or false. If true, explain why. If false, give a counter-example and explain why the counter-example contradicts the statement.

a. If then
b. If f and g are continuous functions on [a,b], then

c. If f and g are differentiable and on [a,b], then on [a,b].

2. Any cross-section of a particular solid cut by a plane perpendicular to the x-axis is a square whose diagonal lies on the parabolas y2 = 4x and x2 = 4y. Find the volume of the solid.

3.

https://brainmass.com/math/basic-calculus/continuity-differentiability-volume-solid-148499

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