Posted by Tim on Thursday, December 8, 2011 at 12:31pm.
is your curve y = 2x^2 - 4x + 1 ?
Is your region between the curve and the x-axis within your stated domain ?
Did you notice that the parabola has an x-intercept within your domain?
its from 1 to 3 on the x axis including when it crosses underneath, you subtract that (its like negative area)
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