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12. Find the area lying above the x - axis and below the parabolic curve y = 4x - x2. A.8 B.8 1/3 C.10 2/3 D.16
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Mar 11, 2018
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12. Find the area lying above the x - axis and below the parabolic curve y = 4x - x2.
A.8
B.8 1/3
C.10 2/3
D.16
Mathematics
high-school
Shateema
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Shateema
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first we find the zeroes so we don't take the integral of negative bits
4x-x²
x(4-x)
zeroes at x=0 and x=4
it opens down
so the part we are interested in is the bit between x=0 and x=4
or aout 10 and 2/3
C is answer
LogicStuff
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Mar 16, 2018
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LogicStuff
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