anonymous
  • anonymous
The area of the region between the graph y=3x^2+2x and the x axis from x=1 to x=3 is?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
integrate top curve minus bottom curve. the bottom curve is the x axis itself (y=0). the top curve is probably 3x^2 + 2x, so integral 3x^2 + 2x - 0
dumbcow
  • dumbcow
use power rule here for integrating x^n = n*x^n-1
anonymous
  • anonymous
what about the x=1 and x=3?

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anonymous
  • anonymous
thats the upper and lower limits
anonymous
  • anonymous
so i plug that in and add them both or subtract?
anonymous
  • anonymous
You have to draw a rough draft to get an idea what you are doing.

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