Posted by **Tim** on Thursday, December 8, 2011 at 12:31pm.

Finding area under a curve

From [1,3]

2x^2 -4x +1

- Calculus -
**Reiny**, Thursday, December 8, 2011 at 12:51pm
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?

- Calculus -
**Tim**, Thursday, December 8, 2011 at 1:09pm
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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