y = -x^2 + 4x
defined on the closed domain [0,4]
a) sketch the graph
b) Revolve the graph about the x-axis. Find the area of the surface obtained.© BrainMass Inc. brainmass.com February 24, 2021, 2:09 pm ad1c9bdddf
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The graph is correct. To find the area of ...
A surface aof revolution is calculated using integrals. The area of the surface from revolving around the x-axis is examined.